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JLPT N2 Vocabulary
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N2
妨害
ぼうがい
Refers to deliberately interfering with another's actions or the progress of an affair. Used in expressions like 「業務を妨害する (to obstruct business operations)」「電波妨害 (radio jamming)」「公務執行妨害 (obstruction of public duties)」. Rather than mere careless interference, it points to intentional acts of obstruction, and has become established as a legal term. It is a formal word frequently used in news reports, legal documents, and business writing.
AI-generated translation
N2
忘却
ぼうきゃく
Refers to something completely disappearing from memory. Used in expressions like 「忘却の彼方 (the far side of oblivion)」「歴史の忘却 (the forgetting of history)」「忘却される (to be forgotten)」. Unlike 「ど忘れ (a momentary lapse of memory)」, which simply means being unable to recall, this word denotes the process by which something is lost from memory through the long passage of time or deliberate neglect. It is a formal written word, frequently used in historical, philosophical, or literary contexts.
AI-generated translation
N2
防御
ぼうぎょ
Refers to protecting oneself or one's charge from attack or harm. It is a formal word used in expressions like 「敵の攻撃を防御する (to defend against an enemy attack)」「防御を固める (to strengthen one's defense)」「防御率 (earned run average)」. It refers to the act of defense against the attacking side in fields such as sports (especially as the performance index of baseball pitchers), the military, and cybersecurity. It is distinguished from 「防護」, which refers to protection from accidents, disasters, and hazardous substances; 「防御」 refers to defense against intentional attacks.
AI-generated translation
N2
暴言
ぼうげん
Refers to violent, rude speech that wounds or insults another person. Used in expressions like 「暴言を吐く (to spew abusive language)」「暴言を浴びせる (to hurl abusive words at someone)」. Heavier than merely 「ひどい言葉 (terrible words)」, it points to extreme remarks that society regards as problematic. It is a word that appears frequently in contexts where statements by politicians or public figures are reported in the news, and such remarks often become the subject of accountability demands.
AI-generated translation
N1, N2
冒険
ぼうけん
Boldly taking on something with an uncertain outcome despite danger; an adventure. 冒険小説 (adventure novel). Also used for an attempt whose success is uncertain (その計画は冒険だ "that plan is a gamble").
AI-generated translation
N2
防護
ぼうご
Refers to protecting one's body or possessions from dangers such as accidents, disasters, or hazardous substances. Used in expressions like 「防護服 (protective clothing)」「防護柵 (protective fence)」「放射線防護 (radiation protection)」. Unlike 「防御」, which refers to defending against attacks, 「防護」 is more often used for protection against unintentional harm such as accidents, pollution, or natural disasters, rather than against intentional, hostile attacks. It appears frequently in specialized contexts such as safety engineering, occupational hygiene, and the nuclear field.
AI-generated translation
N2, N3
方向
ほうこう
direction. Which way something faces. Example: 「駅の方向」 (the direction of the station). Also used to mean the course/policy of something, as in 「話の方向が変わる」 (the direction of the conversation changes).
AI-generated translation
N2
奉仕
ほうし
Refers to working for society or others without seeking any return. Used in expressions like 「地域に奉仕する (to serve the community)」「奉仕活動 (volunteer activity)」, it is a formal word. Originally meaning to serve the gods, Buddha, or one's lord, it has selflessness and devotion at its core. In commercial settings there is a derivative usage like 「ご奉仕価格 (special service price)」 referring to a special discount, but this is a secondary usage.
AI-generated translation
N2
報酬
ほうしゅう
Refers to money or its equivalent paid in return for work, labor, or achievement. It is a formal word used in expressions like 「報酬を得る (to receive remuneration)」「高額な報酬 (a high reward)」「成功報酬 (success-based remuneration)」, used widely in business documents, contracts, and tax matters, functioning as an umbrella concept covering wages, salaries, and honoraria. It also appears as a contrasting term in contexts that emphasize the absence of remuneration, such as 「ボランティア (volunteer work)」.
AI-generated translation
N2
報じる
ほうじる
Refers to news organizations such as newspapers, television, or news agencies conveying events to the public. Used in expressions like 「事件を報じる (to report an incident)」「速報で報じる (to report as breaking news)」「各紙が一斉に報じた (all newspapers reported simultaneously)」. It is not used for the act of an ordinary individual conveying information, but is a formal word expressing the organizational, public act by the reporting side. In classical usage it also has the meaning 「恩に報いる (to repay a debt of gratitude)」, but in modern usage the reporting sense is dominant.
AI-generated translation
N2
膨大
ぼうだい
Refers to a quantity or scale that is extremely large. It is a formal na-adjective used in expressions like 「膨大な資料 (an enormous amount of material)」「膨大な費用 (huge expenses)」「膨大なデータ (massive data)」. Rather than physical size, it is often used for quantifiable objects such as volumes of information, amounts of money, or number of items, and frequently carries the nuance that there is 「処理しきれないほど多い (so much it cannot be fully handled)」. While 「莫大」 emphasizes the absolute magnitude of an amount or quantity, 「膨大」 carries a sense of having swollen up through accumulation.
AI-generated translation
N2
膨張
ぼうちょう
Refers to size, quantity, or scale swelling and increasing. As in 「気体が膨張する (a gas expands)」「予算が膨張する (the budget balloons)」「人口が膨張する (the population swells)」, it is used broadly from physical volume increases to abstract expansions of budgets, organizations, debt, or population. Rather than indicating a natural increase, it carries the nuance of swelling beyond what was anticipated or permissible, and is often used with negative evaluation.
AI-generated translation
N2
法廷
ほうてい
Refers to the place where trials are held. Used in expressions like 「法廷に立つ (to stand in court)」「法廷で証言する (to testify in court)」「法廷闘争 (a legal battle)」. It is a formal word referring to the public venue where defendants, plaintiffs, judges, lawyers, and others gather to conduct legal proceedings. It appears frequently in news reports, legal documents, and novels. Whereas 「裁判所」 refers to the entire building of a court, 「法廷」 refers to the specific room or scene where proceedings are held.
AI-generated translation
N2
暴動
ぼうどう
Refers to a crowd collectively engaging in violent acts such as destruction and looting against a background of political or social discontent. Used in expressions like 「暴動が起きる (a riot breaks out)」「暴動を鎮圧する (to suppress a riot)」. It is a formal word referring to collective violence on a scale that threatens social order, rather than a fight between individuals or a small group. It is frequently used in news reports and historical writing.
AI-generated translation
N2
冒頭
ぼうとう
Refers to the very first part of a piece of writing, speech, event, or work. It is a formal word used in expressions like 「冒頭で挨拶する (to give greetings at the opening)」「冒頭の場面 (the opening scene)」「冒頭発言 (opening remarks)」. It refers to the beginning portion of some coherent whole such as a speech, book, film, or meeting. Rather than 「最初 (the very first)」, it is a word conscious of structural position, used in situations where one treats it as a specific segment, as in 「冒頭から/冒頭部分 (from the opening / the opening section)」.
AI-generated translation
N2
褒美
ほうび
Refers to money, goods, or opportunities given by someone in a higher position to commend a good deed or achievement. Used in expressions like 「褒美を与える (to give a reward)」「褒美に旅行に連れて行く (to take someone on a trip as a reward)」. Historically the word referred to items granted by a lord to his retainers, but in modern usage the focus has shifted to casual situations within the family or workplace, such as parents rewarding their children or superiors rewarding their subordinates. In formal official documents, terms such as 「報奨 (commendation award)」 or 「賞与 (bonus)」 are used instead.
AI-generated translation
N2
抱負
ほうふ
Refers to a plan or resolve held in one's heart that one wishes to realize from now on. It is a formal word used in expressions like 「新年の抱負 (New Year's resolutions)」「抱負を語る (to speak of one's aspirations)」. Rather than a vague wish, it is used in situations where one states a goal or intention with a certain degree of concreteness. It appears frequently in remarks at formal milestones such as New Year's greetings, greetings on assuming a new post, entrance ceremonies, and inauguration press conferences.
AI-generated translation
N2
方々
ほうぼう
Refers to here and there, in various places. It is a word with both adverbial and nominal uses, used in expressions like 「方々を探す (to search all over)」「方々から苦情が来る (complaints come from all over)」. It expresses the appearance of something being done not in just one location but across many places and directions. Since the same written form is also read 「かたがた (an honorific for plural persons)」, the reading must be distinguished by context.
AI-generated translation
N2
法令
ほうれい
A general term covering laws enacted by the Diet and orders issued by administrative agencies. Used in expressions like 「法令を遵守する (to comply with laws and regulations)」「関連法令 (related laws and regulations)」「法令違反 (violation of laws and regulations)」. It is a formal word that encompasses the constitution, statutes, cabinet orders, ministerial ordinances, and rules, and is used widely in administrative, business, and compliance contexts. Compared to 「法律」, its scope is broader, also covering administrative legislation.
AI-generated translation
N2
捕獲
ほかく
Refers to capturing an animal or a fleeing person. Used in expressions like 「野生の鹿を捕獲する (to capture a wild deer)」「容疑者を捕獲する (to apprehend a suspect)」. The central context is planned capture as part of some operation, such as fishing, hunting, or police activity, and it carries a nuance of placing the target under some form of control. It is a formal word, not used in everyday situations where one would simply say 「捕まえる (to catch)」.
AI-generated translation
N2
保管
ほかん
To keep an item in one's custody and protect it so that it is not damaged or lost.
AI-generated translation
N2
補給
ほきゅう
To replenish and add to something that has run short.
AI-generated translation
N2
補佐
ほさ
Refers to assisting and supporting from the side the duties of someone in a high position or position of responsibility. Used in expressions like 「社長を補佐する (to assist the president)」「補佐役 (an assistant role)」「課長補佐 (assistant section chief)」. It is a formal word expressing an official supporting relationship in duties, and is also used as a title within organizations. Compared to simply 「手伝う (to help)」, it implies a relationship in which responsibility for carrying out duties is shared.
AI-generated translation
N2
保守
ほしゅ
Refers to maintaining and preserving existing states, structures, and equipment without changing them. It encompasses both the technical sense as in 「機械を保守する (to maintain machinery)」「保守点検 (maintenance inspection)」「サーバーの保守 (server maintenance)」, and the political stance of valuing existing values and traditions as in 「保守派 (the conservative faction)」「保守的な考え (conservative thinking)」. In the latter sense it is paired with 「革新」. The meaning shifts greatly depending on context, so it is a word that requires care in interpretation.
AI-generated translation
N2
補充
ほじゅう
To supplement and fill in a part that has become deficient or insufficient.
AI-generated translation
N2
補償
ほしょう
Refers to compensating for damages, disadvantages, or losses with money or the like. It is a formal word used in expressions like 「事故の補償 (compensation for an accident)」「補償金 (compensation money)」「損害補償 (damage compensation)」. It is used in situations where the perpetrator, the state, an insurance company, or the like compensates the injured party for their loss. There is an important distinction in meaning from the homophones 「保証 (to guarantee, taking responsibility)」 and 「保障 (to safeguard a status or condition)」, and the three are strictly distinguished in legal, insurance, and business documents.
AI-generated translation
N2
保証
ほしょう
To vouch that something is correct and certain; also, to take on something with responsibility.
AI-generated translation
N2
舗装
ほそう
Refers to hardening and finishing the surface of roads using asphalt, concrete, and the like. It is a formal word used in expressions like 「道路を舗装する (to pave a road)」「舗装工事 (pavement construction)」「未舗装の道 (an unpaved road)」. It refers to construction work that brings an earthen road to a state convenient for vehicles and pedestrians to use, and is used both in the specialized contexts of civil engineering and construction, and in everyday contexts discussing urban development and road maintenance.
AI-generated translation
N2
補足
ほそく
To later add something to make up for what is lacking.
AI-generated translation
N2
没頭
ぼっとう
Refers to becoming so absorbed in one thing that one disregards everything else. Used in expressions like 「研究に没頭する (to immerse oneself in research)」「執筆に没頭する (to be absorbed in writing)」. Its original meaning is 「頭を没する (to sink one's head into)」, expressing the state of being so deeply engaged that even one's head is submerged. It is used for objects one actively engages with, such as work, creative activity, or hobbies, and often carries a positive evaluation.
AI-generated translation
N2
本腰
ほんごし
Refers to the posture of settling oneself in and tackling something in earnest. Used idiomatically as 「本腰を入れる (to put one's lower back into something — i.e., to get serious)」, it describes a situation in which one revises a previously halfhearted or sideline approach and begins to engage seriously. It is an expression rooted in bodily sensation: 「腰 (the lower back/hips)」 is the center of the body, and the steadiness of the hips reflects the seriousness of one's commitment. It is a relatively casual word that can be used even in everyday conversation.
AI-generated translation
N2
本心
ほんしん
Refers to the true feelings or thoughts hidden deep in one's heart. Used in expressions like 「本心を打ち明ける (to reveal one's true feelings)」「本心を隠す (to conceal one's true feelings)」. It refers to the genuine emotion that lies behind the attitude or statements one shows on the surface. It is nearly synonymous with 「本音」, but while 「本音」 is more colloquial and casual, 「本心」 is used in a somewhat more formal, harder-edged context.
AI-generated translation
N2
本筋
ほんすじ
Refers to the main current, the central core of a conversation, discussion, or story. Used in expressions like 「議論が本筋から外れる (the discussion strays from the main point)」「話を本筋に戻す (to bring the conversation back to the main thread)」. As opposed to side-tracks or peripheral details, it refers to the original theme or main axis that should be addressed. It is frequently used in contexts of organizing the flow of meetings and discussions, and in discussions of story structure. Compared to 「本論」, it is more colloquial and used practically in the setting of meeting facilitation.
AI-generated translation
N2
本音
ほんね
Refers to what one truly thinks in one's heart, as opposed to one's 「建前 (tatemae, official public stance)」. Used in expressions like 「本音を漏らす (to let slip one's true feelings)」「本音と建前 (one's true feelings and one's public stance)」「本音で話す (to speak frankly)」. As a concept paired with 「建前 (the public statements valued in Japanese society)」, it refers to honest feelings that are hard to express publicly. More colloquial than 「本心」, it is used widely in everyday conversation, workplace chatter, and contexts that discuss human relationships.
AI-generated translation
N2, N3
ぼんやり
ぼんやり
A state in which the shape of something, a memory, or the like is not clear. 「遠くの山がぼんやり見える」 (the distant mountains look hazy). It also describes a state of thinking about nothing, with one's attention directed nowhere in particular. 「授業中にぼんやりする」 (to space out during class), 「ぼんやりしていて駅を乗り過ごした」 (I was spacing out and missed my station).
AI-generated translation
Vocabulary data on this site is based on the JMdict/EDICT project (© Electronic Dictionary Research and Development Group, CC BY-SA 4.0). JLPT level classification is our own assessment using AI (Claude) and is not an official JLPT standard.