Vocabularies

English Vocabulary Dictionary | Word Meanings, Definitions & Examples

adjective B2
/ʌnˌkənˈdɪʃ.ən.əl/
無条件の (mujouken no)

not subject to any conditions; complete and absolute

"She offered her unconditional support to her friend in need."

"彼女は困っている友人に無条件のサポートを提供しました。" (Kanojo wa komatte iru yūjin ni mujōken no sapōto o teikyō shimashita.)
adjective B2
/ʌnˌkənˈfɜːmd/
未確認; 未検証; (mikakunin, mikenshou)

not confirmed as true or definite; not verified or substantiated

"The report remains unconfirmed until we receive official verification."

"報告書は公式の確認が得られるまで未確認のままです。" (Houkokusho wa koujitsu no kakunin ga erareru made mikakunin no mama desu.)
Unconscious definition card — visual illustration of the meaning
adjective B2
/ʌnˈkɒnʃəs/
無意識 (muishiki)

not awake and aware of surroundings

"He was knocked unconscious by the fall."

"彼は転倒して無意識になった。" (Kare wa tentō shite muishiki ni natta.)
unconsciously definition card — visual illustration of the meaning
adverb B2
/ʌnˈkɒnʃəsli/
無意識に (muishiki ni)

without being aware of one's actions or surroundings

"She unconsciously tapped her foot to the rhythm of the music."

"彼女は無意識に音楽のリズムに合わせて足をトントンしていた。" (kanojo wa muishiki ni ongaku no rizumu ni awasete ashi wo tonton shite ita)
unconsciousness definition card — visual illustration of the meaning
noun B2
/ʌnˈkɒnʃəsnəs/
無意識 (muishiki)

the state of being unaware of and unable to respond to one's surroundings

"After the accident, he was in a state of unconsciousness for several hours."

"事故の後、彼は数時間意識を失っていた。" (Jiko no ato, kare wa suujikan ishiki o ushinatte ita.)
uncontrolled definition card — visual illustration of the meaning
adjective B2
/ˌʌnkənˈtroʊld/
制御不能な (seigyo funou na)

not restrained or managed; lacking control

"The wildfire spread in an uncontrolled manner, causing widespread damage."

"山火事は制御不能な方法で広がり、広範囲に被害をもたらした。" (Yamakaji wa seigyo funou na houhou de hirogari, kouhan'i ni higai o motarashita)
unconventional definition card — visual illustration of the meaning
adjective B2
/ˌʌnkənˈvɛnʃənl/
型破りの (katayaburi no)

not based on or conforming to what is generally done or believed

"Her unconventional approach to teaching inspired her students to think creatively."

"彼女の型破りの教育アプローチは、生徒たちに創造的に考えるよう促しました。" (kanojo no katayaburi no kyouiku apurochi wa, seitotachi ni souzouteki ni kangaeru you unagashimashita)
adjective B2
/ˌʌnkənˈvɪnsɪŋ/
信じられない (shinjirarenai)

failing to persuade or impress; not believable or credible

"His excuse for being late was completely unconvincing."

"彼の遅刻の言い訳は完全に信じられなかった。" (Kare no chikoku no iiwake wa kanzen ni shinjirarenakatta.)
uncooperative definition card — visual illustration of the meaning
adjective B2
/ˌʌn.kəʊˈɒp.ər.ə.tɪv/
非協力的な (hikyouryokuteki na)

not willing to help or work with others; unhelpful

"The witness was uncooperative and refused to answer questions."

"証人は非協力的で、質問に答えることを拒否した。" (Shounin wa hikyouryokuteki de, shitsumon ni kotaeru koto wo kyohi shita.)
uncoordinated definition card — visual illustration of the meaning
adjective B2
/ˌʌnˈkɔːrdɪneɪtɪd/
不器用; 協調性のない (bukiyou; kyouchousei no nai)

lacking coordination, not well-organized or clumsy in movement

"His movements were uncoordinated, making him prone to accidents."

"彼の動きは不器用で、事故を起こしやすかった。" (kare no ugoki wa bukiyou de, jiko o okoshi yasukatta.)
uncover definition card — visual illustration of the meaning
verb B2
/ʌnˈkʌvə(r)/
明らかにする (akiraka ni suru)

to reveal something that was hidden or secret

"The investigation uncovered new evidence."

"調査で新しい証拠が明らかになった。" (Chōsa de atarashī shōko ga akiraka ni natta.)
adjective B2
/ˌʌndɪˈsaɪdɪd/
未決定; 不確実 (mikedate; fukakujitsu)

not having made a decision; uncertain

"She was undecided about which college to attend."

"彼女はどの大学に進学するか決めかねていた。" (Kanojo wa dono daigaku ni shingaku suru ka kimekanete ita.)
adjective B2
/ˌʌndɪˈnaɪəbl/
否定できない (hitei dekinai)

Impossible to deny; clearly true or real.

"Her talent is undeniable."

"彼女の才能は否定できない。" (Kanojo no sainou wa hitei dekinai.)
underclothes definition card — visual illustration of the meaning
noun B2
/ˈʌndərkləʊðz/
下着 (shitagi)

Clothing worn beneath outer clothes, such as underwear or lingerie

"He folded his underclothes neatly before packing them."

"彼は下着を丁寧にたたんでから詰めた。" (Kare wa shitagi o teinei ni tatande kara tsumeta)
verb B2
/ˌʌndərˈɛstɪmeɪt/
過小評価する (kashouhyouka suru)

To judge something as less important or smaller than it really is.

"Never underestimate the power of teamwork."

"決してチームワークの力を過小評価しないでください。" (Kesshite chīmuwāku no chikara o kashouhyouka shinai de kudasai.)
undergo definition card — visual illustration of the meaning
verb B2
/ˌʌndərˈɡoʊ/
経験する (keiken suru)

to go through something, especially something unpleasant or difficult

"She had to undergo surgery to recover."

"彼女は回復するために手術を受けなければなりませんでした。" (Kanojo wa kaifuku suru tame ni shujutsu wo ukenakereba narimasen deshita.)
undergraduate definition card — visual illustration of the meaning
noun B2
/ˌʌndəˈɡrædʒuət/
学部生 (gakubusei)

a student who has not yet earned a bachelor's degree

"She is an undergraduate studying computer science."

"彼女はコンピュータサイエンスを学んでいる学部生です。" (Kanojo wa konpyuuta saiensu o manande iru gakubusei desu)
underlying definition card — visual illustration of the meaning
adjective B2
/ˌʌndərˈlaɪɪŋ/
根本的な (konpontena)

basic or hidden but important; forming the foundation of something

"The underlying reason for the conflict was never addressed."

"その対立の根本的な理由は決して対処されませんでした。" (Sono tairitsu no konpontena riyū wa kesshite taisho saremasendeshita.)
undermine definition card — visual illustration of the meaning
verb B2
/ˌʌndərˈmaɪn/
弱める (yowameru)

to gradually weaken or damage something or someone

"Constant criticism can undermine a child's confidence."

"継続的な批判は子どもの自信を弱める可能性があります。" (keizokuteki na hihan wa kodomo no jishin o yowameru kanosei ga arimasu)
verb B2
/ˌʌndərˈskɔːr/
強調する (kyouchou suru)

to emphasize or highlight something

"The incident underscored the need for better safety measures."

"その出来事は、安全対策の重要性を強調しました。" (Sono dekigoto wa, anzen taisaku no juuyousei o kyouchou shimashita.)
undertake definition card — visual illustration of the meaning
verb B2
/ˌʌndərˈteɪk/
引き受ける (hikiukeru)

To agree to do or begin to do something important or difficult.

"She undertook the responsibility of organizing the event."

"彼女はイベントの組織の責任を引き受けた。" (Kanojo wa ibento no soshiki no sekinin o hikiuketa.)
noun B2
/ˈʌndərˌteɪkɪŋ/
事業 (jigyō)

A task, project, or responsibility that someone agrees to do.

"Starting a new company is a difficult undertaking."

"新しい会社を立ち上げるのは難しい事業です。" (Atarashī kaisha o tachiageru no wa muzukashī jigyō desu.)
adjective B2
/ˌʌndɪˈzaɪərəbl/
望ましくない; 有害な; 不快な (nozomashikunai; yūgaina; fukai na)

not wanted or wished for; harmful or unpleasant

"The new policy had several undesirable consequences."

"新しい政策は幾つか望ましくない結果を招いた。" (Atarashī seisaku wa ikutsu ka nozomashikunai kekka o maneki-ta.)
adjective B2
/ˌʌndɪˈveləpt/
未開発; 未成熟; 原始的 (mikaihatsu; misējuku; genshiteki)

not yet developed; immature or primitive

"The undeveloped land was later turned into a park."

"未開発の土地は後に公園に変わりました。" (Mikaihatsu no tochi wa ato ni kōen ni kawarimashita.)
adjective B2
/ˌʌndɪˈstɜːrbd/
邪魔されない (jama sarenai)

not interrupted or interfered with; calm and peaceful

"She slept undisturbed for eight hours."

"彼女は8時間、邪魔されずに眠った。" (Kanojo wa hachi-jikan, jama sa rezuni nemutta.)
adjective B2
/ʌnˈdɪvaɪdɪd/
分割されていない; 完全な; 分けられていない (bunketsarete inai; kanzen na; wakerarete inai)

whole; complete; not separated or split

"The team showed undivided attention to the coach's instructions."

"チームはコーチの指示に対して分け隔てなく注意を示しました。" (Chīmu wa kōchi no shiji ni taishite waketate naku chūi o shimashita.)
undoubtedly definition card — visual illustration of the meaning
adverb B2
/ʌnˈdaʊtɪdli/
間違いなく (machigainaku)

without a doubt, certainly

"He is undoubtedly the best player on the team."

"彼は間違いなくチームで一番の選手です。" (Kare wa machigainaku chīmu de ichiban no senshu desu.)
adjective B2
/ʌnˈiːzi/
不安な; 心配な; 落ち着かない (fuan na; shinpai na; ochitsukanai)

worried; anxious; uncomfortable; restless

"She felt uneasy about walking alone at night."

"彼女は夜一人で歩くことに不安を感じていた。" (Kanojo wa yoru hitori de aruku koto ni fuan o kanjite ita.)
adjective B2
/ʌnˈendɪŋ/
終わりのない (owari no nai)

continuing forever; without end

"The unending rain made the day feel gloomy."

"終わりのない雨が一日を憂鬱にした。" (owari no nai ame ga ichinichi o yuuutsu ni shita)
adjective B2
/ʌnˈiːkwəl/
不平等; 不正; (fubyōdō; fusei)

not the same in quantity, size, or value; not fair or just

"The distribution of wealth is unequal in many countries."

"多くの国々では、富の分配は不平等です。" (Ōku no kuniguni de wa, tomi no bunpai wa fubyōdō desu.)
adjective B2
/ʌnˈiːvən/
不均一; 凹凸のある (fukinhitsu; ōtotsu no aru)

not level or smooth; not regular or consistent

"The road was uneven and full of potholes."

"その道は不均一で、穴だらけだった。" (Sono michi wa fukinhitsu de, anadarake datta.)
unfairly definition card — visual illustration of the meaning
adverb B2
/ʌnˈfɛərli/
不公平に (fukouhei ni)

In a manner that is not just, reasonable, or impartial

"He was treated unfairly by the committee."

"彼は委員会によって不公平に扱われた。" (Kare wa iinkai ni yotte fukouhei ni atsukawareta.)
Unfaithful definition card — visual illustration of the meaning
adjective B2
/ʌnˈfeɪθ.fəl/
不忠実 (fuchūjitsu)

not loyal or true to a spouse, partner, or commitment

"He was unfaithful to his wife for many years."

"彼は何年も妻に不忠実でした。" (Kare wa nannen mo tsuma ni fuchūjitsu deshita.)
Unfamiliar definition card — visual illustration of the meaning
adjective B2
/ʌnfəˈmɪl.jər/
不明な; 見知らぬ (fumei na; mishiranu)

not known or recognized; strange

"The city was unfamiliar to me since I had never been there before."

"その都市は私にとって見知らぬ場所でした。なぜなら、私はそこに行ったことがなかったからです。" (Sono toshi wa watashi ni totte mishiranu basho deshita. Nazenara, watashi wa soko ni itta koto ga nakatta kara desu.)
adjective B2
/ʌnˈfeɪv(ə)rəbəl/
不利な (furi na)

not beneficial or advantageous; showing disapproval or opposition

"The proposal received an unfavorable response from the committee."

"その提案は委員会から不利な反応を受けました。" (Sono teian wa iinkai kara furi na hannō o ukemashita.)
adjective B2
/ʌnˈfeɪ.vər.ə.bəl/
不利な; 逆境の (furi na; gyakkyo no)

not helpful or advantageous; adverse

"The weather conditions were unfavourable for our outdoor event."

"悪天候は私たちの屋外イベントには不利でした。" (akutenkō wa watashitachi no okugai ibento ni wa furi deshita.)
Unfit definition card — visual illustration of the meaning
adjective B2
/ʌnˈfɪt/
不適格; 不適当; (futekikaku; futekitou)

not in good physical condition; unsuitable or inappropriate

"He was declared unfit for military service due to his poor health."

"彼は健康状態が悪いため、軍務には不適格と宣告されました。" (Kare wa kenko joutai ga warui tame, gunmu ni wa futekikaku to senkoku saremashita.)
unfold definition card — visual illustration of the meaning
verb B2
/ʌnˈfəʊld/
広げるまたは開く (hirogeru matawa hiraku)

to open or spread out something that was folded; to gradually reveal or develop

"She unfolded the letter carefully."

"彼女は手紙を慎重に広げました。" (Kanojo wa tegami o shinchou ni hirogemashita.)
adjective B2
/ʌnˈɡreɪt.fəl/
恩知らず (on shirazu)

not feeling or showing thanks for something done or given; not appreciating kindness

"She felt he was ungrateful for all the help she had given him."

"彼女は、彼が彼女が与えたすべての助けに対して恩知らずだと感じた。" (Kanojo wa, kare ga kanojo ga ataeta subete no tasuke ni taishite on shirazu da to kanjita.)
adjective B2
/ʌnˈhɜːd/
聞かれなかった; 未知の (kikarenakatta; michi no)

not heard or listened to; not given a hearing; unknown or unfamiliar

"His complaints went unheard by the management."

"彼の苦情は経営陣に無視されました。" (Kare no kujou wa keieijin ni mushi saremashita.)
unhelpful definition card — visual illustration of the meaning
adjective B2
/ʌnˈhɛlpfəl/
役に立たない (yaku ni tatanai)

not providing help or support; making a situation harder rather than easier

"His unhelpful attitude slowed down the entire project."

"彼の役に立たない態度はプロジェクト全体を遅らせた。" (kare no yaku ni tatanai taido wa purojekuto zentai o okuraseta)
adjective B2
/ʌnˈhɜːrt/
無傷 (mukizu)

Not injured or harmed.

"She walked away from the accident unhurt."

"彼女は事故から無傷で歩き去った。" (Kanojo wa jiko kara mukizu de aruki satta.)
adjective B2
/ʌnhaɪˈdʒiːnɪk/
不衛生な; 適切な衛生状態の欠如 (bu eisei na; tekisetsu na eisei joutai no ketsujo)

not clean; lacking proper sanitation

"The restaurant was closed due to unhygienic conditions in the kitchen."

"レストランは不衛生な厨房の状態で閉店しました。" (Resutoran wa bu eisei na chūbō no jōtai de heiten shimashita.)
unified definition card — visual illustration of the meaning
adjective B2
/ˈjuː.nɪ.faɪd/
統一された (tōitsu sareta)

Made into a whole or joined together.

"A unified approach fosters better outcomes."

"統一されたアプローチはより良い結果を促進します。" (Tōitsu sareta apurōchi wa yori yoi kekka o sokushin shimasu.)
unify definition card — visual illustration of the meaning
🤝

unify

verb B2
/ˈjuːnɪfaɪ/

To make or become united, uniform, or whole.

"The leader tried to unify the divided nation."

adjective B2
/ˌʌnɪˈmædʒənəbəl/
想像を絶する (sōzō o zessuru)

impossible to conceive; beyond imagination

"The scale of destruction was unimaginable until we saw it firsthand."

"破壊の規模は想像を絶するもので、私たちはそれを目の当たりにするまでわかりませんでした。" (Hakai no kibo wa sōzō o zessuru mono de, watashitachi wa sore o me no atari ni suru made wakarimasen deshita.)
uninformed definition card — visual illustration of the meaning
adjective B2
/ˌʌnɪnˈfɔːrmd/
情報に疎い (joho ni utoi)

lacking knowledge or awareness about a particular subject; not educated or informed

"The decision was made by an uninformed committee."

"その決定は情報に疎い委員会によって下された。" (sono kettei wa joho ni utoi iinkai ni yotte kudasareta)
adjective B2
/ʌnˈɪndʒərd/
無傷 (mukizu)

Without injury; not physically harmed.

"All the passengers were rescued uninjured."

"すべての乗客は無傷で救助されました。" (Subete no jōkyaku wa mukizu de kyūjo saremashita.)
adjective B2
/ˌʌnɪnˈtenʃənəl/
意図しない; 偶発的 (itoshinai; gūhatsuteki)

not done on purpose; accidental

"The damage to the car was unintentional."

"車の損傷は意図しないものでした。" (Kuruma no sonshō wa itoshinai mono deshita.)
unity definition card — visual illustration of the meaning
🫱🏻‍🫲🏽

unity (ユニティ)

noun B2
/ˈjuːnɪti/
団結 (danketsu)

the state of being joined together or in agreement

"The team showed great unity during the match."

"チームは試合中に素晴らしい団結を示しました。" (Chīmu wa shiai-chū ni subarashī danketsu o shimeshimashita.)