Vocabularies

English Vocabulary Dictionary | Word Meanings, Definitions & Examples

Ineligible definition card — visual illustration of the meaning
adjective C1
/ɪnˈɛl.ɪ.dʒə.bəl/
資格なし (shikaku nashi)

Not qualified or permitted to do something or to receive something.

"He was ineligible to apply for the scholarship because of his age."

"年齢のため、彼は奨学金に申し込む資格がなかった。" (Nenrei no tame, kare wa shougakukin ni moushikomu shikaku ga nakatta.)
adjective C1
/ɪˈnɛpt/
不器用 (bukiyou)

lacking skill or ability; clumsy or incompetent

"His inept handling of the situation made it worse."

"彼の不器用な状況の対処が状況を悪化させた。" (kare no bukiyou na jōkyō no taisho ga jōkyō o akka saseta.)
inequity definition card — visual illustration of the meaning
noun C1
/ɪnˈɛkwɪti/
不平等 (fubyoutou)

unfairness or injustice

"The system is full of social inequity."

"システムは社会的不平等で満ちています。" (shisutemu wa shakaiteki fubyoutou de michiteimasu.)
inert definition card — visual illustration of the meaning
adjective C1
/ɪˈnɜːrt/
不活性 (fukassei)

lacking the ability or strength to move or act; chemically inactive

"The patient remained inert on the bed."

"患者はベッドで動かずにじっとしていました。" (kanja wa beddo de ugokazu ni jitto shite imashita.)
Inertia definition card — visual illustration of the meaning
⚖️

Inertia

noun C1
/ɪˈnɜːrʃə/

A tendency to remain unchanged or continue in the same state of motion unless acted upon.

"The project failed due to the inertia of outdated systems."

inevitability definition card — visual illustration of the meaning
noun C1
/ɪnˌɛvɪtəˈbɪləti/
避けられないこと (sakerarenai koto)

The quality of being certain to happen; unavoidable nature.

"The inevitability of change makes adaptability essential."

"変化の避けられないことが適応性を不可欠にします。" (Henka no sakerarenai koto ga tekiō-sei o fukaketsu ni shimasu.)
adjective C1
/ˌɪnɪkˈskjuːzəbl/
許しがたい (yurushigatai)

Too bad to be justified or overlooked; unforgivable.

"His rude behavior was inexcusable."

"彼の無礼な行動は許しがたいものでした。" (Kare no burei na kōdō wa yurushigatai mono deshita.)
inexhaustible definition card — visual illustration of the meaning
adjective C1
/ˌɪnɪɡˈzɔːstəbl/
尽きることのない (tsukiru koto no nai)

Impossible to use up or tire out; unlimited in supply or energy.

"Her energy seemed inexhaustible during the long campaign."

"長いキャンペーン中、彼女のエネルギーは尽きることがないように思えた。" (Nagai kyanpēn-chū, kanojo no enerugī wa tsukiru koto ga nai yō ni moeteta.)
noun C1
/ˌɪnɪkˈspɪəriəns/
未経験 (mikeiken)

Lack of knowledge or skill in a particular activity or field.

"His inexperience in handling negotiations was evident."

"交渉における彼の未経験は明らかでした。" (Kōshō ni okeru kare no mikeiken wa akiraka deshita.)
adjective C1
/ˌɪnɪkˈsplɪkəbl/
説明できない (setsumei dekinai)

Impossible to explain or understand.

"The sudden disappearance of the file was inexplicable."

"ファイルの突然の消失は説明できなかった。" (Fairu no totsuzen no shoushitsu wa setsumei dekinakatta.)
adjective C1
/ɪnˈfæləbl̩/
間違いない (machigainai)

incapable of making mistakes or being wrong

"Her judgment seemed infallible in matters of finance."

"彼女の判断は財務問題において間違いないように見えた。" (Kanojo no handan wa zaimu mondai ni oite machigainai yō ni mieta.)
infamous definition card — visual illustration of the meaning
adjective C1
/ˈɪnfəməs/
悪名高い (akumei takai)

well known for some bad quality or deed

"The dictator was infamous for his cruelty."

"その独裁者はその残虐さで悪名高かった。" (Sono dokusaisha wa sono zankyaku-sa de akumei takakatta.)
Infantry definition card — visual illustration of the meaning
noun C1
/ˈɪn.fən.tri/
歩兵 (hohei)

soldiers marching or fighting on foot; foot soldiers collectively

"The infantry advanced across the battlefield on foot."

"歩兵は戦場を徒歩で進んだ。" (hohei wa senjō o toho de susunda.)
inference definition card — visual illustration of the meaning
noun C1
/ˈɪnfərəns/
推論 (suiron)

a conclusion reached on the basis of evidence and reasoning

"The detective made an inference based on the evidence he collected."

"探偵は集めた証拠に基づいて推論を行った。" (tantei wa atsumeta shouko ni motozuite suiron wo okonatta.)
noun C1
/ɪnˈfɜːrnoʊ/
火災 (kasai)

a large, intense fire that is dangerously out of control

"The building turned into an inferno within minutes."

"その建物は数分で火災に変わった。" (Sono tatemono wa suū-fun de kasai ni kawatta.)
verb C1
/ɪnˈfɛst/
侵入する (shin'nyū suru)

to overrun in large numbers, especially so as to cause damage or discomfort

"The old house was infested with rats."

"古い家はネズミで侵されていました。" (Furui ie wa nezumi de okosarete imashita.)
infestation definition card — visual illustration of the meaning
noun C1
ˌɪnfɛsˈteɪʃən
侵入, 異常に大量の昆虫や動物がある場所に存在すること (shinnyuu, ijou ni tairyou no konchuu ya doubutsu ga aru basho ni sonzai suru koto)

The presence of an unusually large number of insects or animals in a place, causing damage or disease.

"The infestation of ants in the kitchen led to immediate pest control measures."

"キッチンにおけるアリの侵入は、即座に害虫駆除対策を講じる結果となった。" (Kitchin ni okeru ari no shinnyuu wa, sokuzani gaichuu kujo taisaku o koujiru kekka to natta.)
noun C1
/ˌɪnfɪˈdɛləti/
不倫 (furin)

the act of being unfaithful to a spouse or partner

"Their marriage ended due to his infidelity."

"彼らの結婚は彼の不倫が原因で終わった。" (Karera no kekkon wa kare no furin ga gen'in de owatta.)
verb C1
/ˈɪnfɪltreɪt/
浸透 (shintō)

to secretly enter or gain access to a place or group

"The spies managed to infiltrate the enemy base."

"スパイたちは敵基地に infiltrate できた。" (Supai-tachi wa teki kichi ni infiltrate dekita.)
infiltration definition card — visual illustration of the meaning
noun C1
/ˌɪn.fɪlˈtreɪ.ʃən/
浸透 (infirutoreeshon)

The process by which water on the ground surface enters the soil.

"Good soil structure promotes infiltration of rainwater."

"適切な土壌構造は雨水の浸透を促進する。" (good soil structure promotes infiltration of rainwater)
adjective C1
/ɪnˈfɜːm/
虚弱 (kyojaku)

Weak, especially due to old age or illness.

"The infirm old man needed assistance to walk."

"その虚弱な老人は歩くために助けが必要でした。" (Sono kyojaku na rōjin wa aruku tame ni tasuke ga hitsuyō deshita.)
noun C1
/ɪnˈfɜːməri/
診療所 (shinryōjo)

A hospital or place where the sick or injured are cared for.

"The school had an infirmary for minor injuries."

"学校には軽傷のための診療所がありました。" (Gakkō ni wa keishō no tame no shinryōjo ga arimashita.)
Infirmity definition card — visual illustration of the meaning
noun C1
/ɪnˈfɜːməti/
虚弱 (kyojaku)

Physical or mental weakness, especially from old age.

"Despite his infirmity, he remained cheerful."

"彼は虚弱にもかかわらず、陽気でいた。" (Kare wa kyojaku ni mo kakawarazu, youki de ita.)
verb C1
/ɪnˈfleɪm/
煽る (aoru)

to arouse strong feelings or provoke anger; to cause inflammation in the body

"The politician's remarks served to inflame public opinion."

"政治家の発言は公共の意見を煽る結果になった。" (Seijika no hatsugen wa kōkyō no iken o aoru kekka ni natta.)
adjective C1
/ɪnˈflæməbl/
可燃性 (kanensei)

easily set on fire; easily excited or angered

"This material is highly inflammable and should be kept away from heat."

"この材料は非常に可燃性があり、熱源から遠ざけておくべきです。" (Kono zairyō wa hijō ni kanensei ga ari, netsugen kara tōzakete okubeki desu.)
adjective C1
/ɪnˈflæməˌtɔːri/
幸せ (shiawase)

causing inflammation in the body; arousing anger, hostility, or strong emotion

"His inflammatory speech triggered protests across the city."

"彼女は賞を受け取ったとき、幸せそうな表情を隠せなかった。" (Kanojo wa shō o uketotta toki, shiawase-sō na hyōjō o kakusenakatta.)
inflate definition card — visual illustration of the meaning
verb C1
/ɪnˈfleɪt/
膨らませる;水増しする (fukuramaseru; mizumashi suru)

to fill with air or gas so it expands; to increase excessively or artificially

"The mechanic inflated the tire to the correct pressure."

"整備士はタイヤを適切な空気圧まで膨らませた。" (Seibishi wa taiya o tekisetsu na kuukiatsu made fukuramaseta)
adjective C1
/ɪnˈfleɪtɪd/
膨らんだ (fukuranda)

excessively increased in size, value, or importance; filled with air or gas

"The company faced criticism for its inflated prices."

"その会社は膨らんだ価格で批判を受けました。" (Sono kaisha wa fukuranda kakaku de hihan o ukemashita.)
inflationary definition card — visual illustration of the meaning
adjective C1
/ɪnˈfleɪ.ʃə.ner.i/
インフレ的 (infureteki)

Causing or characterized by inflation of prices.

"Excessive money supply can lead to an inflationary economy."

"過剰な貨幣供給はインフレ的な経済を引き起こす可能性があります。" (Kajō na kakei kyōkyū wa infureteki na keizai o hikiokosu kanōsei ga arimasu.)
inflection definition card — visual illustration of the meaning
noun C1
/ɪnˈflɛk.ʃən/
イントネーションの変化 (intonēshon no henka)

A change in the tone or pitch of the voice when speaking, which helps convey meaning and emotion.

"Her voice inflection conveyed deep emotion in the speech."

"彼女の声のインフレクションはスピーチで深い感情を伝えました。" (Kanojo no koe no infurekushon wa supīchi de fukai kanjō o tsutaemashita.)
inflexibility definition card — visual illustration of the meaning
noun C1
/ˌɪnflɛksɪˈbɪlɪti/
柔軟性の欠如 (juunansei no ketsujo)

the quality of being rigid or unwilling to change; lack of adaptability

"The inflexibility of the rules caused unnecessary delays."

"規則の柔軟性の欠如が不要な遅れを引き起こした。" (Kisoku no juunansei no ketsujo ga fuyo na okure o hikiokoshita)
inflexible definition card — visual illustration of the meaning
adjective C1
/ɪnˈflɛksəbl/
柔軟性がない (jounann-sei ga nai)

Not able to bend or change; unwilling to change ideas or behavior.

"His inflexible attitude made negotiations difficult."

"彼の柔軟性がない態度は交渉を難しくしました。" (Kare no jounann-sei ga nai taido wa koushou o muzukashiku shimashita.)
noun C1
/ˈɪn.floʊ/
流入 (ryūnyū)

The movement of things such as money, people, or water into a place.

"The inflow of tourists boosted the local economy."

"観光客の流入が地域経済を活性化させた。" (Kankōkyaku no ryūnyū ga chiiki keizai o kasseika saseta.)
noun C1
/ˈɪnflʌks/
流入 (ryūnyū)

A large arrival or flow of people or things.

"The city experienced an influx of tourists during the festival."

"その都市は祭りの期間中に観光客の流入を経験しました。" (Sono toshi wa matsuri no kikanchū ni kankōkyaku no ryūnyū o keiken shimashita.)
infrastructural development definition card — visual illustration of the meaning
noun C1
ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt
インフラ整備 (infura seibi)

The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.

"Infrastructural development is necessary for efficient recycling."

"インフラストラクチャー開発は効率的なリサイクルに必要です。" (Infurasutorakuchaa kaihatsu wa kouritsuteki na risaikuru ni hitsuyou desu.)
infrequent definition card — visual illustration of the meaning
adjective C1
/ɪnˈfriːkwənt/
稀な (majana)

Happening rarely or not often.

"He made infrequent visits to his hometown after moving abroad."

"彼は海外に移住した後、故郷にあまり頻繁に訪れることはありませんでした。" (Kare wa kaigai ni ijū shita ato, kokyō ni amari hinpan ni otozureru koto wa arimasen deshita.)
verb C1
/ɪnˈfrɪndʒ/
侵害する (shingai suru)

To actively break the terms of a law, agreement, or right.

"Copying this software without permission will infringe copyright laws."

"許可なくこのソフトウェアをコピーすると著作権法を侵害することになります。" (Kyoka naku kono sofutō~ea o kopī suru to chōsakuken-hō o shingai suru koto ni narimasu.)
verb C1
/ɪnˈfjʊərieɪt/
激怒させる (gekidosaseru)

To make someone extremely angry.

"His careless remarks infuriated the entire team."

"彼の不注意な発言がチーム全体を怒らせた。" (Kare no fuchuui na hatsugen ga chiimu zentai o okorase ta.)
verb C1
/ɪnˈfjuːz/

to fill or spread through something; to instill a quality, idea, or feeling

"The teacher tried to infuse her students with a love for reading."

noun C1
/ɪnˈfjuːʒən/
注入 (chūnyū)

the act of introducing something into another; a drink made by steeping leaves or herbs in liquid

"She prepared a calming infusion of chamomile tea."

"彼女はカモミールティーの落ち着く注入を準備しました。" (Kanojo wa kamomīru tī no ochitsuku chūnyū wo junbi shimashita.)
ingenious definition card — visual illustration of the meaning
adjective C1
/ɪnˈdʒiːniəs/
独創的 (dokusōteki)

very clever and inventive; showing creativity in problem-solving

"The engineer came up with an ingenious solution to the problem."

"エンジニアはその問題に対する独創的な解決策を見つけた。" (Enjinia wa sono mondai ni taisuru dokusōteki na kaiketsusaku o mitsuketa.)
ingenuity definition card — visual illustration of the meaning
noun C1
/ˌɪndʒəˈnjuːɪti/
独創性 (dokusousei)

the quality of being clever, original, and inventive

"The project was completed on time thanks to the ingenuity of the team."

"そのプロジェクトは、チームの独創性のおかげで時間通りに完成しました。" (Sono purojekuto wa, chiimu no dokusousei no okage de jikan doori ni kansei shimashita.)
adjective C1
/ɪnˈɡreɪnd/
根強い (nezuoyoi)

Firmly fixed or established; deeply rooted and difficult to change.

"His ingrained habits were hard to break."

"彼の根強い習慣は壊すのが難しかった。" (Kare no nezuyoi shuukan wa kowasu no ga muzukashikatta.)
inherent definition card — visual illustration of the meaning
adjective C1
/ɪnˈhɛrənt/
固有の (koyū no)

Existing in something as a natural, permanent, or essential quality.

"There are inherent risks in extreme sports."

"エクストリームスポーツには固有のリスクが存在する。" (ekusutorīmusupōtsu ni wa koyū no risuku ga sonzai suru.)
noun C1
/ɪnˈhɛrɪtər/
相続人 (souzokunin)

a person who receives money, property, or a title when someone dies

"She became the inheritor of her family's estate."

"彼女は家族の財産の相続人となった。" (Kanojo wa kazoku no zaisan no souzokunin to natta.)
inhibit definition card — visual illustration of the meaning
verb C1
/ɪnˈhɪbɪt/
抑制する (yokusei suru)

To hinder, restrain, or prevent an action or process.

"Fear can inhibit creativity."

"恐れは創造性を抑制する可能性があります。" (Osore wa sōzō-sei o yokusei suru kanō-sei ga arimasu.)
adjective C1
/ɪnˈhɪbɪtɪd/
抑制された (yokusei sareta)

Unable to act in a relaxed and natural way, especially due to self-consciousness or restraint.

"He was too inhibited to express his true feelings."

"彼は自分の本当の感情を表現するにはあまりにも抑制されていた。" (Kare wa jibun no hontō no kanjō o hyōgen suru ni wa amari ni mo yokusei sarete ita.)
adjective C1
/ˌɪnhɒˈspɪtəbl/
住みにくい (suminikui)

Harsh and difficult to live in; unfriendly or unwelcoming to guests.

"The desert is an inhospitable environment for most plants."

"砂漠はほとんどの植物にとって住みにくい環境です。" (Sabaku wa hotondo no shokubutsu ni totte suminikui kankyō desu.)
Inhuman definition card — visual illustration of the meaning
adjective C1
/ɪnˈhjuːmən/
非人道的 (hi jindōteki)

lacking human qualities of compassion and mercy; cruel or barbaric

"The prisoners were kept in inhuman conditions."

"囚人たちは非人道的な状況で収容されていました。" (Shūjin-tachi wa hi jindōteki na jōkyō de shūyō sarete imashita.)
initiated definition card — visual illustration of the meaning
verb C1
ɪˈnɪʃɪeɪtɪd
開始された (kaishi sareta)

Caused a process or action to begin; started something.

"The project was initiated to enhance marine biodiversity."

"プロジェクトは海洋生物多様性を向上させるために開始されました。" (Purojekuto wa kaiyō seibutsu tayō-sei o kōjō saseru tame ni kaishi saremashita.)