語彙集

英単語辞書 | 単語の意味、定義、例文

verb
/diːˈkoʊd/

to convert a coded message into a readable form; to interpret meaning

"The software can decode the hidden message within seconds."

adjective
/ˌdeɪ.kɒlˈteɪ/
深い胸元の衣装 (fukai munamoto no ishō)

of a woman's dress or top, cut low so as to reveal the neck and upper chest

"She wore a decollete gown to the party."

"彼女はパーティーで深い胸元のドレスを着ていました。" (Kanojo wa pātii de fukai munamoto no doresu o kite imashita.)
noun
/ˌdiː.kɒmpəˈzɪʃən/
分解 (bunkai)

the process of decaying or breaking down into simpler parts

"The decomposition of leaves enriches the soil."

"葉の分解は土壌を豊かにします。" (Ha no bunkai wa dojo o yutakani shimasu.)
decompress definition card — visual illustration of the meaning
verb
/ˌdiː.kəmˈprɛs/
リラックスする (rirakkusu suru)

To relax and recover from stress or pressure.

"Taking deep breaths helps to decompress after a stressful day."

"深呼吸は、ストレスの多い一日後にリラックスするのに役立ちます。" (Shinkokyū wa, sutoresu no ōi ichinichi go ni rirakkusu suru no ni yakudachimasu.)
decorate definition card — visual illustration of the meaning
verb
/ˈdɛkəreɪt/

to make something look more attractive by adding ornaments or color

"They decorated the hall with balloons and lights for the party."

noun
/ˌdek.əˈreɪ.ʃən/
装飾; 飾り; 賞; (sōshoku, kazari, shō)

the process or art of decorating something; ornamental items used to beautify

"The Christmas decoration transformed the ordinary room into a festive wonderland."

"クリスマスのデコレーションは、普通の部屋をお祝いのワンダーランドに変えました。" (Kurisumasu no dekoreeshon wa, futsū no heya o oiwai no wandārando ni kaemashita.)
adjective
/ˈdekərəs/
品位のある (hin'i no aru)

showing proper and polite behavior; marked by good taste

"The audience gave a decorous applause after the performance."

"観客は公演後に品位のある拍手を送りました。" (Kankyaku wa kōen-go ni hin'i no aru hakushu o okurimashita.)
Decorum definition card — visual illustration of the meaning
noun
/dɪˈkɔːrəm/
礼儀 (reigi)

behavior in keeping with good taste and propriety

"The students maintained decorum during the ceremony."

"学生たちは式典中に礼儀を守った。" (Gakusei-tachi wa shikiten-chū ni reigi o mamotta.)
adjective
/dɪˈkɔːrəs/
得体な (tettaina)

characterized by propriety, good taste, and proper manners

"She maintained a decourous silence during the ceremony."

"彼女は式典中に得体な沈黙を守った。" (Kanojo wa shikiten-chū ni tettaina chinmoku o mamotta.)
noun/verb
/ˈdiːkɔɪ/
おとり (otori)

something or someone used to lure or mislead

"The hunters used a wooden duck as a decoy."

"狩人たちは木製のカモをデコイとして使った。" (Karyūdō-tachi wa mokusei no kamo o dekoi toshite tsukatta.)
⬇️

decrease

verb/noun
/ˈdiːkriːs/ (noun), /dɪˈkriːs/ (verb)

To become or make something smaller or fewer in number, amount, or degree.

"The population of the town has decreased over the years."

noun/verb
/dɪˈkriː/
命令 (meirei)

an official order or command, often by authority

"The king issued a decree banning hunting in the forest."

"王は森での狩猟を禁止する命令を出した。" (Ō wa mori de no shuryō o kinshi suru meirei o dashita.)
adjective
/dɪˈkrɛpɪt/
老朽 (roukyuu)

worn out or weakened by age or neglect

"The decrepit old house was on the verge of collapse."

"その老朽化した家は崩壊寸前でした。" (Sono roukyuuka shita ie wa houkai sunzen deshita.)
noun
/dɪˈkrɛpɪˌtjuːd/
衰退 (suitai)

the state of being old, weak, and worn out

"The once-great empire fell into decrepitude."

"かつて偉大だった帝国は衰退しました。" (Katsute idai datta teikoku wa suitai shimashita.)
verb
/dɪˈkraɪ/
非難する (hinansuru)

to publicly criticize or express strong disapproval of something

"Many activists decry the destruction of the rainforest."

"多くの活動家が熱帯雨林の破壊を非難しています。" (Ōku no katsudōka ga nettai urin no hakai o hinan shiteimasu.)
decryption definition card — visual illustration of the meaning
noun
/dɪˈkrɪp.ʃən/
復号 (fukugou)

The process of converting encrypted information back to its original form

"Decryption of sensitive files requires a secure key."

"機密ファイルの復号には安全なキーが必要です。" (Kimitsu fairu no fukugou ni wa anzen na kii ga hitsuyou desu.)
verb
/ˈdɛdɪkeɪt/
捧げる (sasageru)

to devote time, effort, or oneself to a particular purpose or person

"She dedicated her life to helping the poor."

"彼女は貧しい人々を助けるために自分の人生を捧げました。" (Kanojo wa mazushii hitobito o tasukeru tame ni jibun no jinsei o sasagemashita.)
adjective
/ˈdɛdɪˌkeɪtɪd/
献身的な (kenshinteki na)

devoted to a cause, task, or purpose

"She is a dedicated teacher who goes above and beyond for her students."

"彼女は生徒のために上を行き、限界を超えていく献身的な教師です。" (Kanojo wa seito no tame ni ue o iki, genkai o koete iku kenshinteki na kyoushi desu.)
dedication definition card — visual illustration of the meaning
noun
/ˌdɛdɪˈkeɪʃən/
献身 (kenshin)

the quality of being committed to a task or purpose

"Her dedication to her studies earned her top grades."

"彼女の勉強への献身は、最高の成績を得ることを可能にした。" (Kanojo no benkyou e no kenshin wa, saikou no seiseki o eru koto o kanou ni shita.)
verb
/dɪˈdjuːs/
推測する (suikosuru)

to reach a conclusion by reasoning or inference

"From the evidence, the detective deduced that the suspect was lying."

"証拠から、探偵は容疑者が嘘をついていることを推測しました。" (Shōko kara, tantei wa yōgisha ga uso o tsuite iru koto o suisoku shimashita.)
adjective
/dɪˈdjuːsəbl/
推測可能な (suīsoku kanōna)

able to be deduced; possible to be inferred

"The solution is deducible from the data provided."

"解決策は提供されたデータから推測可能です。" (Kaiketsusaku wa teikyō sareta dēta kara suisoku kanōdesu.)
deduction definition card — visual illustration of the meaning
noun
/dɪˈdʌk.ʃən/
推論 (suiron)

The process of reaching a conclusion through logical reasoning.

"His deduction from the evidence was accurate."

"証拠から彼の推論は正確でした。" (Shōko kara kare no suiron wa seikaku deshita.)
noun
/diːd/
行い (okonai)

an action, especially a good or evil one

"His deed of kindness will never be forgotten."

"彼の親切な行いは決して忘れられません。" (Kare no shinsetsu na okonai wa kesshite wasureraremasen.)
verb
/diːm/
みなす, 判断する (minasu, handan suru)

to regard or consider in a specified way

"The project was deemed a success by the board."

"そのプロジェクトは理事会によって成功だと見なされました。" (Sono purojekuto wa rijikai ni yotte seikou da to minasaremashita.)
adjective
/diːp/
幸せ (shiawase)

extending far down from the top or surface; profound or intense

"The lake is very deep in the middle."

"彼女は賞を受け取ったとき、幸せを隠すことができませんでした。" (Kanojo wa shō o uketotta toki, shiawase o kakusu koto ga dekimasen deshita.)
noun
/diːp ˈkʌlər/
深い色 (fukai iro)

a rich, intense, or dark shade of any color

"The artist used deep colours to create a dramatic effect."

"アーティストはドラマチックな効果を作り出すために深い色を使いました。" (Ātisuto wa doramachikku na kōka o tsukuridasu tame ni fukai iro o tsukaimashita.)
deep sea definition card — visual illustration of the meaning
noun
/diːp siː/
深海 (shinkai)

The deep parts of the sea or ocean, typically beyond the continental shelf.

"Many deep-sea creatures produce bioluminescence for survival."

"多くの深海生物は生存のために生物発光を生成します。" (Ōku no shinkai seibutsu wa seizon no tame ni seibutsu hakkō o seisei shimasu.)
adverb
/ˈdiːpli/
深く (fukaku)

to a great depth, extent, or intensity

"She was deeply moved by the speech."

"彼女はスピーチに深く感動しました。" (Kanojo wa supīchi ni fukaku kandō shimashita.)
noun
/dɪr/
鹿 (shika)

a graceful wild animal with long legs and antlers, often living in forests

"A deer ran across the road suddenly."

"一頭の鹿が突然道路を横切った。" (Ittō no shika ga totsuzen dōro o yokogitta.)
verb
/dɪˈfeɪs/
傷つける (kizutsukeru)

to spoil the surface or appearance of something, especially by writing or drawing on it

"The vandals defaced the wall with graffiti."

"ヴァンダルたちはグラフィティで壁を傷つけました。" (Vandaru-tachi wa gurafiti de kabe o kizutsukemashita.)
verb
/ˈdiːfælˌkeɪt/
横領する (ōryō suru)

to misuse or embezzle money that one is responsible for

"The accountant was accused of defalcating company funds."

"会計士は会社の資金を横領したと非難されました。" (Kaikeishi wa kaisha no shikin o ōryō shita to hinan saremashita.)
noun
/ˌdɛfəˈmeɪʃən/
名誉毀損 (meiyokison)

the act of damaging someone's reputation by making false statements

"The newspaper was sued for defamation of character."

"その新聞は名誉毀損で訴えられた。" (Sono shinbun wa meiyokison de uttaerareta.)
defame definition card — visual illustration of the meaning
verb
/dɪˈfeɪm/
名誉毀損 (meiyo kison)

to harm someone's reputation by spreading false information

"He was defamed by malicious rumors."

"彼は悪意のある噂で中傷されました。" (Kare wa akui no aru uwasa de chūshō saremashita.)
default definition card — visual illustration of the meaning
noun, verb
/dɪˈfɔːlt/
デフォルト (deforuto)

failure to fulfill an obligation, especially to repay a loan

"The company defaulted on its loan payments."

"会社はローンの支払いでデフォルトしました。" (Kaisha wa rōn no shiharai de deforuto shimashita.)
verb
/dɪˈfiːt/
敗北 (haiboku)

to win a victory over someone or something in a competition or battle

"Our team defeated their rivals in the final match."

"私たちのチームは決勝戦で彼らのライバルを打ち負かしました。" (Watashitachi no chīmu wa kesshōsen de karera no raibaru o uchi makashimashita.)
noun, adjective
/dɪˈfiːtɪst/
敗北主義者 (haibokushugisha)

A person who expects or is excessively ready to accept failure; showing a tendency to expect defeat.

"His defeatist attitude discouraged the rest of the team."

"彼の敗北主義的な態度は、チームの他のメンバーを落胆させました。" (Kare no haibokushugiteki na taido wa, chiimu no hoka no menbā o rakutan sasemashita.)
⚠️

Defect

noun, verb
/ˈdiːfɛkt/ (noun), /dɪˈfɛkt/ (verb)

A shortcoming, imperfection, or flaw; or to abandon a cause or group for another.

"The engineer found a defect in the software code."

noun
/dɪˈfɛkʃən/
脱党 (dattou)

The act of abandoning one’s country, cause, or group in favor of another.

"The politician’s defection shocked his supporters."

"その政治家の脱党は支持者を驚かせました。" (Sono seijika no dattou wa shijisha o odorokasemashita.)
adjective
/dɪˈfektɪv/
欠陥のある; 不完全な (kenkan no aru; fukanzen na)

having faults or defects; imperfect

"The defective product was returned to the store."

"欠陥のある製品は店に返品されました。" (Kenkan no aru seihin wa mise ni henpin saremashita.)
noun
/dɪˈfɛns/
防御 (bōgyo)

The act of protecting or guarding against attack, harm, or criticism.

"The castle walls were built for defence against invaders."

"城壁は侵略者からの防御のために建てられました。" (Jōheki wa shinryakusha kara no bōgyo no tame ni tateraremashita.)
verb
/dɪˈfɛnd/
守る (mamoru)

To protect someone or something from harm or attack.

"The lawyer worked hard to defend her client."

"弁護士は彼女のクライアントを守るために一生懸命働きました。" (Bengoshi wa kanojo no kuraianto wo mamoru tame ni isshoukenmei hatarakimashita.)
noun
/dɪˈfɛndənt/
被告 (hikoku)

An individual, company, or institution sued or accused in a court of law.

"The defendant pleaded not guilty to the charges."

"被告人は容疑を否認した。" (Hikokunin wa yogi o hinin shita.)
noun
/dɪˈfɛndər/
ディフェンダー (difendā)

a person who protects someone or something from harm or attack

"The defender blocked the shot and saved the goal."

"ディフェンダーはシュートをブロックし、ゴールを守った。" (Difendā wa shūto o burokkushi, gōru o mamotta.)
defense definition card — visual illustration of the meaning
noun
/dɪˈfɛns/
幸福 (koufuku)

the action of protecting from attack; the act of resisting or guarding

"The army prepared a strong defense against the invasion."

"彼女は賞を受け取ったとき、喜びを隠すことができませんでした。" (Kanojo wa shō o uketotta toki, yorokobi o kakusu koto ga dekimasen deshita.)
adjective
/dɪˈfɛnsəbəl/
守ることができる / 正当化できる (mamoru koto ga dekiru / seitōka dekiru)

Capable of being protected against attack or criticism; justifiable.

"Her decision was legally defensible."

"彼女の決定は法的に守ることができた。" (Kanojo no kettei wa hōteki ni mamoru koto ga dekita.)
adjective
/dɪˈfɛnsɪv/
防御的な (bōgyo-teki na)

Intended to protect or defend; behaving in a way to guard against criticism or attack.

"He became defensive when asked about his mistake."

"彼は自分のミスについて尋ねられると防御的になった。" (Kare wa jibun no misu ni tsuite tazunerareru to bōgyo-teki ni natta.)
verb
/dɪˈfɜːr/
延期する (enki suru)

To postpone or delay; to yield to someone else's judgment or opinion.

"The meeting was deferred until next week."

"会議は来週まで延期されました。" (Kaigi wa raishū made enki saremashita.)
deference definition card — visual illustration of the meaning
noun
/ˈdɛfərəns/
敬意 (keii)

Polite submission or respect for someone else's opinion or judgment.

"She showed great deference to her elders."

"彼女は年長者に大きな敬意を示しました。" (Kanojo wa nenchōsha ni ōkina keii o shimeshimashita.)
adjective
/ˌdɛfəˈrɛnʃəl/
尊敬の念を示す (sonkei no nen o shimesu)

Showing or expressing respect and high regard.

"He was always deferential toward his teachers."

"彼はいつも教師に対して尊敬の念を示していた。" (kare wa itsumo kyoushi ni taishite sonkei no nen o shimeshite ita.)
noun
/dɪˈfaɪəns/
反抗 (hankou)

Open resistance or bold disobedience.

"The protest was an act of defiance against injustice."

"その抗議は不正に対する反抗の行為でした。" (Sono kōgi wa fusei ni taisuru hankō no kōi deshita.)