Vocabularios

Descubra, aprenda y domine el vocabulario en inglés

ineffective definition card — visual illustration of the meaning
adjective B2
/ˌɪnɪˈfɛktɪv/
効果がない; 無駄な; 失敗した (kouka ga nai; muda na; shippai shita)

not producing any significant or desired effect; useless; unsuccessful

"The new policy proved to be ineffective in reducing crime rates."

"新しい政策は犯罪率の削減には効果がないことが証明された。" (atarashii seisaku wa hanzairitsu no sakugen ni wa kouka ga nai koto ga shoumei sareta.)
Inefficient definition card — visual illustration of the meaning
adjective B2
/ˌɪn.ɪˈfɪʃ.ənt/
非効率的 (hikouritsuteki)

Not achieving maximum productivity; wasting resources or effort.

"The machine is old and inefficient compared to modern equipment."

"その機械は古く、現代の機器と比較して非効率的です。" (Sono kikai wa furuku, gendai no kiki to hikaku shite hikouritsuteki desu.)
inequality definition card — visual illustration of the meaning
noun B2
/ˌɪnɪˈkwɒləti/
不平等 (fuheito)

the state of being unequal; disparity in status, rights, or opportunities

"Inequality in wealth distribution remains a significant issue worldwide."

"富の分配における不平等は、依然として世界的な重要な問題です。" (Tomi no bunpai ni okeru fuheito wa, izen toshite sekaiteki na juuyou na mondai desu.)
inevitable definition card — visual illustration of the meaning
adjective B2
/ɪnˈɛvɪtəbl/
避けられない (sakerarenai)

Certain to happen; unavoidable.

"Death is inevitable for all living beings."

"死はすべての生物にとって避けられない。" (shi wa subete no seibutsu ni totte sakerarenai.)
inevitably definition card — visual illustration of the meaning
adverb B2
/ɪnˈɛvɪtəbli/
避けられない (sakerarenai)

in a way that cannot be avoided or prevented

"Inevitably, the team faced challenges during the project."

"避けられないことに、チームはプロジェクト中に挑戦に直面しました。" (Sakerarenai koto ni, chīmu wa purojekuto-chū ni chōsen ni chokumen shimashita.)
infant definition card — visual illustration of the meaning
noun B2
/ˈɪnfənt/
乳児 (nyuuji)

A very young child or baby.

"The infant was sleeping peacefully in the cradle."

"乳児はゆりかごで静かに眠っていました。" (Nyuuji wa yurikago de shizukani netteimashita.)
infect definition card — visual illustration of the meaning
verb B2
/ɪnˈfɛkt/
感染させる (kansen saseru)

To contaminate with a disease-causing organism.

"The virus can infect healthy people quickly."

"ウイルスは健康な人々を迅速に感染させることができます。" (Uirusu wa kenko na hitobito o jinsoku ni kansen saseru koto ga dekimasu.)
Infection definition card — visual illustration of the meaning
noun B2
/ɪnˈfɛkʃən/
感染 (kansen)

The process of becoming infected with harmful microorganisms such as bacteria or viruses.

"The doctor prescribed antibiotics to treat the infection."

"医者は感染を治療するために抗生物質を処方した。" (Isha wa kansen o chiryo suru tame ni kōseibusshitsu o shohō shita.)
infectious definition card — visual illustration of the meaning
adjective B2
/ɪnˈfekʃəs/
感染性のある; 伝染する (kansensei no aru; densensuru)

capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm

"Her infectious laughter made everyone in the room smile."

"彼女の感染力のある笑い声は皆を笑顔にした。" (kanojo no kansenryoku no aru waraigoe wa mina o egao ni shita)
infer definition card — visual illustration of the meaning
🤔

infer

verb B2
/ɪnˈfɜːr/

to conclude or deduce something from evidence and reasoning rather than from explicit statements

"From his silence, I inferred that he was not happy with the decision."

adjective B2
/ɪnˈfɪə.ri.ər/
劣等 (rettou)

Of lower quality, rank, or status.

"This material is inferior to the one we used before."

"この素材は以前使ったものより劣っています。" (Kono sozai wa izen tsukatta mono yori rettotteimasu.)
infinite definition card — visual illustration of the meaning
adjective B2
/ˈɪnfɪnɪt/
無限 (mugen)

limitless or endless in space, extent, or number

"The universe is often described as infinite."

"宇宙はしばしば無限だと説明されます。" (Uchū wa shibashiba mugen da to setsumei saremasu.)
noun B2
/ɪnˈfɪnɪti/
無限 (mugen)

A concept describing something without any limit or end.

"The universe seems to stretch into infinity."

"宇宙は無限に広がっているように見える。" (uchū wa mugen ni hirogatte iru yō ni mieru.)
inflammation definition card — visual illustration of the meaning
noun B2
/ˌɪnfləˈmeɪʃən/
炎症 (enshō)

a localized physical condition in which part of the body becomes red, swollen, hot, and often painful

"The doctor prescribed medicine to reduce the inflammation in her knee."

"医師は彼女の膝の炎症を抑えるために薬を処方しました。" (Ishi wa kanojo no hiza no enshō o osaeru tame ni kusuri o shohō shimashita.)
inflation definition card — visual illustration of the meaning
noun B2
/ɪnˈfleɪʃən/
インフレーション (infureshon)

A general increase in prices and fall in the purchasing value of money.

"The government is taking steps to control inflation."

"政府はインフレーションをコントロールするための措置を講じています。" (Seifu wa infureshon o kontorōru suru tame no sochi o kōjiteimasu.)
inflict definition card — visual illustration of the meaning
verb B2
/ɪnˈflɪkt/
加える (kuwaeru)

to cause something unpleasant or painful to be suffered by someone or something

"The storm inflicted considerable damage to the city."

"嵐は都市にかなりの被害を与えました。" (Arashi wa toshi ni kanari no higai o ataemashita.)
Influencer definition card — visual illustration of the meaning
noun B2
/ˈɪn.flu.ən.sər/
インフルエンサー, 商品を勧める人 (infuruwensā, shōhin o susumeru hito)

A person with the ability to influence potential buyers of a product or service by promoting or recommending the items on social media.

"Social media influencers shape consumer preferences."

"ソーシャルメディアのインフルエンサーは消費者の好みを形作っています。" (Sōsharumedia no infuruwensā wa shōhisha no konomi o katachi tsukutteimasu.)
Influential definition card — visual illustration of the meaning
adjective B2
/ˌɪnfluˈɛnʃl/
影響力のある (eikyōryoku no aru)

Having great power to change or affect people or things.

"She is one of the most influential leaders of our time."

"彼女は私たちの時代で最も影響力のあるリーダーの一人です。" (Kanojo wa watashitachi no jidai de mottomo eikyōryoku no aru rīdā no hitori desu.)
adjective B2
/ɪnˈfɔːrmətɪv/
有益な (infomativu)

giving or providing useful information; educational; instructive

"The documentary was very informative and educational."

"そのドキュメンタリーはとても有益で教育的でした。" (Sono dokyumentarii wa totemo yueki de kyouikuteki deshita.)
infrastructure definition card — visual illustration of the meaning
noun B2
/ˈɪnfrəˌstrʌktʃər/
インフラストラクチャー (infurasutorakuchaa)

the basic physical and organizational structures and facilities needed for the operation of a society or enterprise

"The government is investing heavily in transport infrastructure."

"政府は交通インフラに大規模な投資を行っています。" (Seifu wa kōtsū infura ni daikibō na tōshi o okonatteimasu.)
verb B2
/ɪnˈhæbɪt/
住む (sumu)

to live in; to occupy as a dwelling

"Many animals inhabit the forest."

"多くの動物が森に住んでいます。" (Ooku no doubutsu ga mori ni sundeimasu.)
inhabitant definition card — visual illustration of the meaning
noun B2
/ɪnˈhæbɪtənt/
住民 (jūmin)

a person or animal that lives in a particular place

"The inhabitants of the village rely on farming for their livelihood."

"村の住民は生活のために農業に頼っています。" (Mura no jūmin wa seikatsu no tame ni nōgyō ni tayotteimasu.)
inhale definition card — visual illustration of the meaning
verb B2
/ɪnˈheɪl/
吸う (suu)

to breathe in; to draw air into the lungs

"Take a deep breath and inhale slowly."

"深く息を吸い、ゆっくり吸い込みます。" (Fukaku iki o sui, yukkuri sui-komimasu.)
inherit definition card — visual illustration of the meaning
verb B2
/ɪnˈhɛrɪt/
相続する (souzoku suru)

to receive property, money, or traits from someone after their death or from ancestors

"She inherited her father's house after his death."

"彼女は父親の死後、家を相続しました。" (Kanojo wa chichi no shigo, ie o souzoku shimashita.)
initiate definition card — visual illustration of the meaning
verb B2
/ɪˈnɪʃieɪt/
開始する (kaishi suru)

To cause something to begin; to start.

"The company plans to initiate a new training program next month."

"その会社は来月、新しいトレーニングプログラムを開始する予定です。" (Sono kaisha wa raigetsu, atarashī torēningu puroguramu o kaishi suru yotei desu.)
inject definition card — visual illustration of the meaning
verb B2
/ɪnˈdʒɛkt/
注射する (chūsha suru)

To introduce a substance, especially a drug, into the body using a needle.

"The nurse will inject the vaccine into the patient's arm."

"看護師は患者の腕にワクチンを注射します。" (Kangoshi wa kanja no ude ni wakuchin o chūsha shimasu.)
injection definition card — visual illustration of the meaning
noun B2
/ɪnˈdʒɛkʃən/

the act of introducing a substance into the body through a needle

"The nurse gave me an injection to prevent the infection."

injustice definition card — visual illustration of the meaning
noun B2
/ɪnˈdʒʌstɪs/
不正義 (fuseigi)

the lack of fairness or justice; an unjust act or treatment

"The trial was a clear example of injustice."

"その裁判は不正義の明確な例でした。" (Sono saiban wa fuseigi no meikaku na rei deshita.)
inner strength definition card — visual illustration of the meaning
noun B2
ˈɪnər strɛŋkθ
内面の強さ (naimen no tsuyosa)

Mental or spiritual power that helps a person cope with difficulties.

"Community service fosters inner strength in individuals."

"コミュニティサービスは個人に内面的な強さを育む。" (Komyuniti sābisu wa kojin ni naimen-teki na tsuyosa o hagukumu.)
verb B2
/ˈɪnəveɪt/
革新 (kakushin)

To introduce new methods, ideas, or products.

"The company must innovate to stay ahead of its competitors."

"その企業は競争相手を追い越すために革新を続けなければならない。" (Sono kigyō wa kyōsō aite o oikosu tame ni kakushin o tsudzukenakereba naranai.)
innovation definition card — visual illustration of the meaning
noun B2
/ˌɪnəˈveɪʃən/
革新 (kakushin)

The introduction of something new, such as an idea, method, or device.

"Innovation is key to the success of technology companies."

"革新はテクノロジー企業の成功の鍵です。" (Kakushin wa tekunorojī kigyō no seikō no kagi desu.)
innovative tools definition card — visual illustration of the meaning
noun B2
ˈɪnəveɪtɪv tuːlz
革新的なツール (kakushinteki na tsūru)

Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.

"Teachers use innovative tools to enhance classroom learning."

"教師は教室での学習を向上させるために革新的なツールを使用します。" (Kyōshi wa kyōshitsu de no gakushū o kōjōsaseru tame ni kakushinteki na tsūru o shiyō shimasu.)
inquire definition card — visual illustration of the meaning
verb B2
/ɪnˈkwaɪər/
尋ねる (tazuneru)

To ask for information; to investigate.

"She inquired about the details of the job."

"彼女はその仕事の詳細について尋ねました。" (Kanojo wa sono shigoto no shousai ni tsuite tazunemashita.)
inquiry definition card — visual illustration of the meaning
noun B2
/ɪnˈkwaɪəri/ or /ˈɪnkwəri/
調査 / 問い合わせ (chōsa / toiawase)

An act of asking for information; an investigation into something.

"The committee launched an inquiry into the financial irregularities."

"委員会は財務の不正行為に関する調査を開始しました。" (Iinkai wa zaimu no fusei kōi ni kansuru chōsa o kaishi shimashita.)
adjective B2
/ɪnˈseɪn/
狂気 (kyouki)

mentally ill; extremely foolish or unreasonable

"The idea of jumping off the cliff seemed insane."

"崖から飛び降りる考えは狂気のように思えた。" (Gake kara tobi oriru kangae wa kyōki no yō ni omoeta.)
insecure definition card — visual illustration of the meaning
adjective B2
/ˌɪnsɪˈkjʊə/
不安定 (fuantei)

not confident or assured; uncertain and anxious

"She felt insecure about her performance in the exam."

"彼女は試験での自分のパフォーマンスに不安を感じていました。" (Kanojo wa shiken de no jibun no pafōmansu ni fuan o kanjite imashita.)
insecurity definition card — visual illustration of the meaning
noun B2
/ˌɪnsɪˈkjʊərɪti/
不安感 (fuankan)

lack of confidence or assurance; a state of uncertainty or vulnerability

"Her insecurity made her doubt her abilities despite her experience."

"彼女の不安感は彼女に自分の能力を疑わせた。" (kanojo no fuankan wa kanojo ni jibun no nouryoku o utagawaseta)
adjective B2
/ɪnˈsɛnsətɪv/
無神経な (mushinkena)

Showing or feeling no concern for others' feelings.

"His insensitive comment hurt her deeply."

"彼の無神経なコメントは彼女を深く傷つけました。" (Kare no mushinkena komento wa kanojo o fukaku kizutsukemashita.)
insert definition card — visual illustration of the meaning
verb B2
/ɪnˈsɜːt/
挿入する (sānyū suru)

to put something into something else

"Please insert your card into the machine."

"カードを機械に挿入してください。" (Kādo o kikai ni sānyū shite kudasai.)
insider definition card — visual illustration of the meaning
noun B2
/ɪnˈsaɪdə/
インサイダー (insaidā)

a person within a group or organization who has access to confidential information

"He was an insider who knew all the company's secrets."

"彼は会社のすべての秘密を知っているインサイダーでした。" (Kare wa kaisha no subete no himitsu o shitte iru insaidā deshita.)
insight definition card — visual illustration of the meaning
noun B2
/ˈɪnˌsaɪt/
洞察力 (dōsatsuryoku)

The ability to understand the true nature of something; deep understanding.

"Her insight into human behavior made her a successful psychologist."

"彼女の人間行動に対する洞察力は、彼女を成功した心理学者にした。" (Kanojo no ningen kōdō ni taisuru dōsatsuryoku wa, kanojo o seikō shita shinrigakusha ni shita.)
adjective B2
/ˈɪnˌsaɪtfəl/
洞察力のある (dōsatsuryoku no aru)

Showing deep understanding or perceptiveness.

"The professor gave an insightful lecture on global economics."

"教授はグローバル経済に関する洞察力のある講義を行いました。" (Kyoju wa gurōbaru keizai ni kansuru dōsatsuryoku no aru kōgi o okonai mashita.)
insignificant definition card — visual illustration of the meaning
adjective B2
/ˌɪnsɪɡˈnɪfɪkənt/
重要でない (jūyōdenai)

Too small or unimportant to be worth considering.

"The cost was so insignificant that nobody noticed it."

"そのコストは重要でなく、誰もそれに気づかなかった。" (sono kosuto wa jūyōdenaku, dare mo sore ni kizukanakatta.)
noun B2
/ɪnˈsɪstəns/
強い要求 (tsuyoi youkyuu)

the act of demanding something firmly or repeatedly

"At his insistence, we stayed longer."

"彼の強い要求で、私たちは長く滞在しました。" (Kare no tsuyoi youkyuu de, watashitachi wa nagaku taizai shimashita.)
inspect definition card — visual illustration of the meaning
verb B2
/ɪnˈspɛkt/
検査する (kensasu)

To look at something carefully to check for problems or details.

"The engineer inspected the bridge for cracks."

"エンジニアは橋にひびがないか確認しました。" (Enjinia wa hashi ni hibi ga nai ka kakunin shimashita.)
inspection definition card — visual illustration of the meaning
noun B2
/ɪnˈspekʃən/
検査 (kensa)

a careful examination of something, especially to check that it is correct or safe

"The building passed the safety inspection last week."

"その建物は先週、安全検査に合格しました。" (Sono tatemono wa senshuu, anzen kensa ni goukaku shimashita.)
inspector definition card — visual illustration of the meaning
noun B2
/ɪnˈspɛktər/
検査官 (kensa kan)

An official employed to ensure regulations are obeyed or standards are met.

"The inspector carefully checked the restaurant's kitchen for hygiene standards."

"検査官はレストランのキッチンを衛生基準に従って慎重に確認しました。" (Kensakan wa resutoran no kicchin o eisei kijun ni shitagatte shinchou ni kakunin shimashita.)
instability definition card — visual illustration of the meaning
noun B2
/ˌɪnstəˈbɪləti/
不安定 (fuantei)

lack of stability or balance; tendency to change, fail, or collapse easily

"Political instability has slowed economic growth in the region."

"政治的な不安定さが地域の経済成長を遅らせた。" (seijiteki na fuanteisa ga chiiki no keizai seicho o okuraseta)
installation definition card — visual illustration of the meaning
noun B2
/ˌɪnstəˈleɪʃən/
インストール (insutooru)

the act or process of putting something in position and making it ready for use

"The installation of the new software took less than an hour."

"新しいソフトウェアのインストールは1時間もかからなかった。" (Atarashii sofutowea no insutooru wa 1 jikan mo kakaranakatta.)
instinct definition card — visual illustration of the meaning
noun B2
/ˈɪnstɪŋkt/
本能 (honnou)

A natural way of behaving or reacting that does not require learning.

"Birds build nests by instinct."

"鳥は本能で巣を作ります。" (Tori wa honnō de su o tsukurimasu.)