C2 noun /dɪˈdʒɛnərəsi/

degeneracy

退化

Meaning

The state of decline or deterioration, often in moral, cultural, or physical qualities.

Example

The novel portrays the moral degeneracy of a corrupt society.

その小説は腐敗した社会の道徳的退化を描いています。

C2 verb /diːˈpɒpjʊˌleɪt/

depopulate

人口減少

Meaning

To reduce the number of people living in a place.

Example

The war threatened to depopulate the once-thriving town.

戦争はかつて繁栄していた町を人口減少させる脅威を与えた。

C2 noun /dɪˈkæmɪtər/

decameter

デカメートル

Meaning

A metric unit of length equal to ten meters.

Example

The field was measured in decameters for accuracy.

そのフィールドは正確さのためにデカメートルで測定されました。

C2 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

選択的

Meaning

Serving to separate or divide; expressing a choice between alternatives.

Example

In grammar, 'or' is a disjunctive conjunction.

文法では、'または' は選択的接続詞です。

B2 noun /ˈdaʊn.fɔːl/

Downfall

没落; 失敗; 崩壊

Meaning

a loss of power, prosperity, or status; the cause of such a loss

Example

His arrogance and pride led to his eventual downfall in business.

彼の傲慢と誇りは、ビジネスにおける彼の最終的な失墜を招いた。

C1 verb /daɪˈvɛst/

divest

Meaning

to strip away possessions, rights, or assets; to rid oneself of

Example

The company decided to divest its unprofitable division.

B2 noun /daɪˈnæmɪks/

dynamics

ダイナミクス

Meaning

the forces or properties that stimulate growth, development, or change within a system or process

Example

The dynamics of the team changed after the new manager joined.

新しいマネージャーが参加した後、チームのダイナミクスは変化しました。

A2 noun /dəˈrɛkʃən/ or /daɪˈrɛkʃən/

direction

方向, 指示

Meaning

the course or path on which someone or something is moving; instructions on what to do

Example

He asked for directions to the train station.

彼は駅への行き方を尋ねました。

B2 adjective /dæmp/

damp

湿った

Meaning

slightly wet, often in an unpleasant way

Example

The room felt cold and damp after the rain.

雨の後、部屋は冷たくて湿っていると感じました。

B1 verb /dɪˈlɪvər/

deliver

届ける

Meaning

to bring or hand over something to the intended recipient

Example

The courier will deliver the package tomorrow.

宅配便は明日荷物を届けます。

B2 adjective /dɪˈstɪŋkt/

Distinct

独特の; ユニークな; 明確な; 認識できる

Meaning

separate and different; clear and recognizable; unique

Example

Each painting has its own distinct style and character.

各々の絵画には、それぞれ独自のスタイルと特徴があります。

C1 adjective /dɪsˈɪntrəstɪd/

disinterested

無関心

Meaning

not influenced by personal interest; impartial or neutral

Example

The judge remained disinterested in the case.

裁判官はその事件に無関心のままでした。

C2 verb /dɪˈbɔːtʃ/

debauch

堕落させる

Meaning

to corrupt morally; to lead into excessive indulgence in sensual pleasures

Example

The novel shows how wealth can debauch a person's character.

その小説は、どのように富が人の性格を堕落させるかを示しています。

B2 noun /dəˈmeɪn/

domain

領域

Meaning

An area of knowledge, activity, or territory over which control is exercised.

Example

Mathematics is her main domain of expertise.

数学は彼女の主な専門領域です。

C2 noun /ˈdɔɪən/

doyen

尊敬される人物

Meaning

The most respected or prominent person in a particular field.

Example

He is regarded as the doyen of modern literature in the country.

彼はその国の現代文学のドイエンと見なされています。

C2 adjective /dɪˈsɛnʃənt/

dissentient

反対意見を持つ人

Meaning

Expressing or holding opinions that are opposed to the majority or official view.

Example

Only a few dissentient voices were heard during the debate.

討論中に反対意見を持つ少数の声だけが聞こえました。

A2 verb /ˌdɪsəˈɡriː/

disagree

異議を唱える

Meaning

to have a different opinion; to not agree

Example

I disagree with your assessment of the situation.

私はあなたの状況評価に同意しません。

C1 noun /dɪˈmiːnər/

demeanour

態度

Meaning

a person's outward behavior or appearance

Example

Her calm demeanour impressed everyone during the meeting.

会議中、彼女の落ち着いた態度は皆に印象を与えました。

C1 noun /daɪˈvɜː.ʃən/

Diversion

迂回

Meaning

the action of turning something aside from its course; an activity that diverts the mind

Example

The road closure forced a diversion through the countryside for all travelers.

道路の閉鎖により、すべての旅行者は田舎道を通って迂回することを余儀なくされました。

C2 noun /ˈdoʊtɪdʒ/

dotage

老年

Meaning

The period of old age, especially when one is weak or senile.

Example

He spent his dotage reminiscing about his youth.

彼は晩年を若い頃を思い出して過ごしました。

C2 noun /djuːˈɛnə/

duenna

ガバーナント

Meaning

an older woman acting as a governess or chaperone, especially in Spanish families

Example

The young lady was accompanied by a duenna during the festival.

若い女性は祭りの間、デュエナに付き添われていました。

C1 verb /dɪsˈbænd/

disband

解散する

Meaning

to break up and stop functioning as a group or organization

Example

The club decided to disband after twenty years of activity.

クラブは20年の活動後に解散することを決定した。

B2 noun /dɪˈsen.dənt/

Descendant

子孫

Meaning

a person who is descended from a particular ancestor; offspring of a later generation

Example

She discovered that she was a descendant of European royalty through genealogy research.

彼女は系譜研究を通じて、ヨーロッパの王族の子孫であることを発見しました。

A2 verb /dɪˈskraɪb/

describe

説明する

Meaning

to give an account of something in words, including details

Example

She described the scene vividly.

彼女はそのシーンを鮮明に説明した。

A2 noun /dɪˈɡriː/

degree

学位 / 程度

Meaning

an amount or level of something; an academic qualification

Example

She earned a degree in engineering.

彼女は工学の学位を取得しました。

B2 verb /dɪˈtætʃ/

detach

分離する

Meaning

to separate or remove something from something else

Example

She detached the page from the notebook.

彼女はノートからページを切り離しました。

B2 noun dɪˈskrɛʃən

discretion

慎重

Meaning

The quality of behaving or speaking in such a way as to avoid causing offense or revealing private information.

Example

She handled the situation with great discretion.

彼女は非常に慎重にその状況に対処しました。

C2 noun /ˌdaɪvəˈɡeɪʃən/

divagation

脱線

Meaning

digression; wandering from a path or subject

Example

His lecture was full of divagation, making it hard to follow the main point.

彼の講義は脱線だらけで、主なポイントを追うのが難しかった。

C2 noun /ˌdɪləˈtænt/

dilettante

愛好家

Meaning

A person who takes up an art, activity, or subject merely for amusement, especially in a superficial way.

Example

He was dismissed as a dilettante in the art world because he lacked formal training.

彼は芸術界で愛好家として退けられました、なぜなら正式な訓練が不足していたからです。

C1 verb /dɪsˈɑːrm/

disarm

武装解除する

Meaning

to take weapons away from someone; to make someone feel less hostile

Example

The soldiers were ordered to disarm the rebels.

兵士たちは反乱者の武装を解除するよう命じられた。

C2 verb /ˌdɪsɪnˈtɜːr/

disinter

掘り出す

Meaning

to dig up something buried, especially a body

Example

The archaeologists disinterred ancient remains from the site.

考古学者たちはそのサイトから古代の遺骸を掘り出しました。

C1 noun ˌdjʊə.rəˈbɪl.ə.ti

durability

耐久性

Meaning

The ability to withstand wear, pressure, or damage; hard-wearing.

Example

The durability of materials affects performance.

素材の耐久性はパフォーマンスに影響を与えます。

C2 adjective /dɪˈspjuːtəbl/

Disputable

議論の余地がある; 疑わしい

Meaning

open to debate or argument; questionable

Example

The facts in the case are disputable and need further investigation.

その事件の事実は議論の余地があり、さらなる調査が必要です。

A2 noun /drʌm/

Drum

ドラム

Meaning

a percussion instrument typically made of a hollow cylinder with a membrane stretched over one or both ends

Example

The drummer kept perfect time on his drum kit.

ドラマーは自分のドラムキットで完璧なリズムを刻んだ。

B2 noun /ˌdɒkjʊmɛnˈteɪʃən/

documentation

ドキュメンテーション

Meaning

material that provides official information or evidence

Example

The documentation for the project is available for review.

プロジェクトのドキュメンテーションはレビューのために利用可能です。

B2 noun /doʊs/

dose

用量

Meaning

a measured amount of a medicine or drug taken at one time

Example

The doctor prescribed one dose of the medicine every six hours.

医者は6時間ごとに1回薬のドーズを処方しました。

B1 noun /ˌdɛfɪˈnɪʃən/

definition

定義

Meaning

a statement that explains the meaning of a word or concept

Example

The dictionary gives a clear definition of the word.

辞書はその言葉の明確な定義を示します。

C2 noun /draɪd ˈfɛnjʊˌɡriːk livz/

Dried Fenugreek Leaves

乾燥フェヌグリークの葉

Meaning

dehydrated leaves of the fenugreek plant used as a herb in cooking

Example

Add dried fenugreek leaves to the curry for extra flavor.

カレーに乾燥フェヌグリークの葉を加えて、さらに風味を加えます。

C2 verb /dɪˈkæmp/

decamp

逃げる

Meaning

To depart suddenly or secretly, often to avoid trouble or escape.

Example

The thief decamped before the police arrived.

泥棒は警察が到着する前に逃げました。

C1 adjective /dɪˈsiːtfəl/

deceitful

欺瞞的な

Meaning

Deliberately misleading or dishonest.

Example

She gave a deceitful answer to hide the truth.

彼女は真実を隠すために欺瞞的な答えを出しました。

B1 verb /dɪˈpɑːrt/

depart

Meaning

to leave, especially to start a journey

Example

The train will depart at 9 a.m.

C2 noun /ˌdaɪələˈtɪʃən/

dialectician

弁証法の専門家

Meaning

A person skilled in dialectic or logical argument.

Example

Socrates is often considered the greatest dialectician in history.

ソクラテスはしばしば歴史上最も偉大な弁証法の専門家と見なされます。

C1 adjective /dɪsˈkwaɪətɪŋ/

disquieting

不安を引き起こす

Meaning

Causing worry, unease, or anxiety.

Example

The news report was deeply disquieting to the public.

そのニュース報告は公衆にとって非常に不安を引き起こすものでした。

C1 noun /dɪˈmiːnər/

demeanor

態度

Meaning

a person's outward behavior or appearance

Example

Her calm demeanor impressed everyone at the meeting.

彼女の冷静な態度は会議で皆に感銘を与えました。

C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

審議

Meaning

Careful consideration and discussion before making decisions.

Example

Deliberations on sustainability continued for hours.

持続可能性についての審議は何時間も続きました。

C1 adjective /ˌdɪfəˈrɛnʃəl/

differential

差別的

Meaning

Relating to or showing a difference; involving a distinction.

Example

There is a differential treatment between the two groups.

2つのグループ間に差別的な扱いがあります。

B2 verb /dɪˈfɜːr/

defer

延期する

Meaning

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

Example

The meeting was deferred until next week.

会議は来週まで延期されました。

C2 adjective /dɪˈstɛnsəbl̩/

distensible

伸縮可能な

Meaning

Capable of being stretched or expanded.

Example

The stomach is a distensible organ that can expand after eating.

胃は食後に膨らむことができる伸縮可能な器官です。

B2 verb /dɪˈnaʊns/

denounce

非難する

Meaning

To publicly declare something to be wrong, evil, or condemn strongly.

Example

The leader denounced corruption in his speech.

リーダーはスピーチで汚職を非難しました。

C2 verb /dɪsˈɡɔːrdʒ/

disgorge

嘔吐, 排出

Meaning

to discharge or pour out; to vomit; to give up reluctantly

Example

The broken pipe disgorged water all over the floor.

壊れたパイプが床全体に水を吐き出しました。

C1 noun /dɪˈpɑːzətɔːri/

depository

預け場所, 保管所

Meaning

a place where things are stored or deposited, especially financial assets

Example

The national depository safeguards all government bonds.

国家のデポジトリはすべての政府債券を保護しています。

C1 noun, adjective /dɪˈrɪvətɪv/

derivative

派生物

Meaning

Something that is based on another source; in math, a measure of how a function changes.

Example

The film was criticized for being too derivative of earlier works.

その映画は、前の作品を模倣しすぎて批判されました。

C2 noun /dɪˈsweɪʒən/

dissuasion

説得しないこと

Meaning

The act of persuading someone not to take a course of action.

Example

Her dissuasion prevented him from making a bad investment.

彼女の説得しないことは、彼が悪い投資をしないようにしました。

C2 adjective /dɪsˈkɒnsələt/

disconsolate

慰めようのない

Meaning

very unhappy and unable to be comforted

Example

She was disconsolate after hearing the bad news.

悪い知らせを聞いた後、彼女は慰めようのない状態でした。

C1 adverb /ˈduːli/

Duly

適切に, 時間通りに

Meaning

in accordance with what is required or appropriate; at the proper time

Example

The documents were duly signed and submitted.

書類は適切に署名され、提出されました。

A2 noun /dɪˈzɜːrt/

dessert

デザート

Meaning

the sweet course eaten at the end of a meal

Example

We had ice cream for dessert after dinner.

夕食後にデザートとしてアイスクリームを食べました。

C1 noun /ˈdæn.drʌf/

Dandruff

フケ

Meaning

small white or grey flakes of dead skin that form on the scalp and fall from the hair

Example

He used a special shampoo to treat his persistent dandruff problem.

彼は慢性的なフケの問題を治すために、特別なシャンプーを使った。

B2 noun /ˌdiː.haɪˈdreɪʃən/

dehydration

脱水症

Meaning

A condition in which the body or tissue lacks adequate water content.

Example

Dehydration can lead to fatigue and confusion.

脱水は疲労と混乱を引き起こす可能性があります。

C1 noun /ˌdɪspəˈzɪʃən/

disposition

Meaning

A person's usual attitude or temperament; arrangement or tendency.

Example

She has a cheerful disposition despite the difficulties.

A1 verb /dɪˈsaɪd/

decide

Meaning

To make a choice or judgment about something.

Example

She decided to study abroad after graduation.

C1 noun /ˈdʊr.i.ən/

Durian

ドリアン

Meaning

a large spiky tropical fruit known for its strong smell and creamy custard-like flesh

Example

Durian is known as the king of fruits in Southeast Asia despite its pungent odor.

ドリアンは強い匂いにもかかわらず、東南アジアで果物の王として知られている。

B2 noun /ˈdel.ɪ.ɡət/

Delegate

代表

Meaning

a person chosen or elected to act for or represent others; representative

Example

Each country sent a delegate to participate in the international conference.

各国は国際会議に参加するために代表を派遣しました。

C2 adjective /ˈdɪlətɔːri/

dilatory

遅延の

Meaning

Tending to cause delay; slow to act.

Example

The committee was criticized for its dilatory response to the crisis.

委員会は危機に対するその遅延反応で批判されました。

C1 noun ˌdɪm.ɪˈnjuː.ʃən

diminution

減少

Meaning

A reduction in the size, extent, or importance of something; decrease.

Example

There has been a diminution in air pollution.

大気汚染の減少がありました。

C2 noun /ˌdɪskwɪˈzɪʃən/

disquisition

論文

Meaning

A long or elaborate discussion or written essay on a particular subject.

Example

The professor gave a lengthy disquisition on ancient philosophy.

教授は古代哲学についての長い論文を発表しました。

A2 noun /ˈdɪs.təns/

Distance

距離

Meaning

the length of space between two points; remoteness in place, time, or relationship

Example

The distance between the two cities is approximately three hundred kilometers.

2つの都市間の距離は約300キロメートルです。

B2 verb /dɪˈfaɪ/

defy

挑戦する

Meaning

to openly resist or refuse to obey someone or something; to challenge or dare someone to do something

Example

The protesters continued to defy the government's ban on public gatherings.

抗議者たちは政府の公共集会禁止令に対して引き続き挑戦しました。

B2 adjective /ˈdæz.lɪŋ/

Dazzling

眩しい; 印象的な

Meaning

extremely bright and impressive; brilliant and stunning

Example

The dazzling lights of the city amazed the tourists.

その都市の眩い光は観光客を驚かせました。

A2 noun /dɪˈlɪv.ə.ri/

Delivery

配達; 出産

Meaning

the action of delivering letters, parcels, or goods; the process of giving birth

Example

The delivery of the package was delayed due to bad weather conditions.

パッケージのデリバリーは悪天候のため遅れました。

C1 adjective /dɪsˈhɑːrtənd/

Disheartened

落胆した

Meaning

discouraged; feeling dejected; losing hope or confidence

Example

She felt disheartened after failing the exam twice.

彼女は試験に2回失敗した後、落胆していました。

C1 verb /diːˈfɒrɪst/

deforest

Meaning

to clear an area of trees, usually on a large scale

Example

The region has been heavily deforested for agriculture.

B1 adjective dəˈmes.tɪk

domestic

国内の

Meaning

Existing or occurring inside a particular country; not foreign or international.

Example

Domestic investments stabilize the economy.

国内投資は経済を安定させる。

C1 verb /dɪˈbɑːr/

debar

禁止する

Meaning

To officially prevent someone from doing something.

Example

He was debarred from entering the competition due to cheating.

彼は不正行為のため競技への参加が禁止されました。

B1 noun /ˈdaɪəɡræm/

diagram

図表

Meaning

a simplified drawing that shows the structure, relationship, or process of something

Example

The teacher explained the system using a clear diagram.

先生は分かりやすい図表を使ってシステムを説明した。

C2 noun /ˈduːti/

Dhuti

ドゥティ

Meaning

a traditional Indian garment for men consisting of a piece of unstitched cloth worn around the waist and legs

Example

The elderly man wore a white dhuti during the religious ceremony.

年配の男性は宗教的な儀式で白いドゥティを着ていた。

C1 verb dɪˈsaɪ.fɚ

decipher

解読する, 暗号を解く, 翻訳する

Meaning

To convert something written in code into normal language; to succeed in understanding the meaning of something.

Example

It took hours to decipher the ancient script.

古代の文字を解読するのに何時間もかかりました。

C2 noun /doʊˈniː/

donee

受贈者

Meaning

A person who receives a gift or donation.

Example

The scholarship fund’s donee expressed heartfelt gratitude.

奨学金基金の受贈者は心からの感謝の意を表しました。

B1 adjective dɪˈleɪd

delayed

遅延

Meaning

Late or postponed; happening later than planned or expected.

Example

The Artemis mission was delayed due to technical challenges.

アルテミスミッションは技術的な課題のため遅延しました。

B2 adjective /ˌdɪsəˈbiːdiənt/

Disobedient

不従順な

Meaning

refusing to obey rules or authority; rebellious

Example

The disobedient child refused to follow the rules.

その不従順な子供はルールに従うことを拒否しました。

B1 adjective ˌdem.əˈkræt.ɪk

democratic

民主的

Meaning

Relating to or supporting democracy or its principles.

Example

Democratic governance ensures equal rights.

民主的な統治は平等な権利を保証します。

B2 noun /ˈdoʊnər/

donor

ドナー

Meaning

A person who gives something, especially to a charity or cause.

Example

The donor contributed generously to the hospital’s new wing.

ドナーは病院の新しい翼に寛大に寄付しました。

B2 verb /dɪˈtɜːr/

deter

Meaning

to discourage someone from doing something by instilling doubt or fear

Example

High fines are meant to deter people from breaking the law.

B2 noun /ˈdreɪ.nɪdʒ/

drainage

排水

Meaning

the system or process by which water or other liquids are drained away

Example

Poor drainage caused flooding in the neighborhood.

悪い排水システムが近所での洪水を引き起こしました。

C2 adjective /ˈdɒdərɪŋ/

doddering

震えている / 弱い

Meaning

Weak, shaky, or unsteady, especially due to old age.

Example

The doddering professor struggled to climb the stairs.

ドダリング教授は階段を登るのに苦労していました。

C2 verb /dɪˈbɪlɪteɪt/

debilitate

弱める

Meaning

to weaken or make someone or something infirm

Example

The long illness debilitated his strength.

長い病気が彼の力を弱めた。

C2 noun /ˈdeɪ.ɪs/

Dais

演壇

Meaning

a raised platform, typically at one end of a room or hall, for speakers or honored guests

Example

The principal stood on the dais to address the entire school assembly.

校長は演壇に立ち、全校集会に話しかけました。

B2 adjective dɪsˈrʌp.tɪv

disruptive

破壊的な, 不安定にする

Meaning

Causing or tending to cause disruption.

Example

Deforestation has a disruptive effect on wildlife.

森林伐採は野生動物に破壊的な影響を与えます。

B1 noun /ˈdeə.ri/

Dairy

牛乳が生産される建物や農場; 牛乳から作られた製品; 牛乳と乳製品を販売する店

Meaning

a building or farm where milk is produced; products made from milk; a shop selling milk and milk products

Example

The local dairy provides fresh milk and cheese to the entire neighborhood.

地元のデイリーは、新鮮な牛乳とチーズを地域全体に提供しています。

A1 noun/verb /deɪt/

date

Meaning

A particular day of the month or year; also, a social or romantic appointment.

Example

They decided to meet on the date of her birthday.

B2 adjective /dɪˈvaɪn/

Divine

神聖な; 天上的な; 神のような; 神または神格に関連する

Meaning

heavenly; sacred; godlike; relating to God or a deity

Example

The divine beauty of the sunset took their breath away.

夕日の神聖な美しさは彼らの息を奪いました。

A2 noun /deθ/

Death

死

Meaning

the end of life; the permanent cessation of vital functions

Example

The death of the great leader was mourned by the entire nation.

偉大な指導者の死は国全体で悲しまれました。

C1 noun /ˈdæmpər/

damper

力、効果、または興奮を減少または抑制するもの

Meaning

something that reduces or lessens the force, effect, or excitement

Example

The cancellation of the trip put a damper on their enthusiasm.

旅行のキャンセルは彼らの熱意をそぐことになった。

C2 verb /dɪˈkleɪm/

declaim

Meaning

to speak aloud in a formal, passionate, or theatrical way

Example

The actor declaimed his lines with great intensity.

C1 adjective /dɪsˈkɔːrdənt/

discordant

不協和音

Meaning

disagreeing or clashing; harsh and jarring in sound

Example

The discordant notes of the band hurt our ears.

バンドの不協和音の音が私たちの耳を痛めました。

B2 adjective daɪˈdʒes.tɪv

digestive

消化の

Meaning

Relating to the digestion of food.

Example

Digestive enzymes help break down food.

消化酵素は食べ物を分解するのを助けます。

A2 noun /ˈdɪkʃəˌnɛri/

dictionary

辞書

Meaning

A reference book or electronic resource containing words, usually arranged alphabetically, with information about their meanings, pronunciations, etymologies, and usage.

Example

I looked up the word in the dictionary to understand its meaning.

意味を理解するために辞書でその単語を調べました。

A1 noun /dɪˈsɛmbər/

december

12月

Meaning

the twelfth and last month of the year in the Gregorian calendar

Example

December is usually cold in many countries.

12月は多くの国で寒いです。

B2 adjective /ˈdevəsteɪtɪŋ/

devastating

Meaning

causing severe shock, distress, or destruction; extremely damaging or upsetting

Example

The earthquake had a devastating effect on the city.

C1 adjective /ˈdiːviəs/

devious

狡猾な

Meaning

Skillful at using underhanded tactics to achieve goals; not straightforward.

Example

He used a devious plan to gain control of the company.

彼は会社の支配権を握るために、狡猾な計画を使いました。

C1 adjective /dɪˈlɪriəs/

delirious

デリリアス

Meaning

in an extremely disturbed or excited state of mind, often due to illness or emotion

Example

He was delirious with fever and kept muttering nonsense.

彼は熱でデリリアスで、無意味なことを呟いていた。

A2 verb /draɪv/

drive

運転

Meaning

to control and move a vehicle; to force someone to move

Example

I will drive to work tomorrow morning.

明日朝、仕事に車で行きます。

C2 noun /drɒs/

dross

無駄なもの

Meaning

worthless or unwanted material; rubbish or impurities

Example

Most of his early writings were considered dross.

彼の初期のほとんどの作品は無駄なものと見なされていた。

C2 noun /ˌdɪvɪˈneɪʃən/

divination

占い

Meaning

the practice of seeking knowledge of the future or the unknown by supernatural means

Example

Ancient people often relied on divination to guide important decisions.

古代の人々は重要な決定を導くために占いに頼ることがよくありました。

B2 noun /ˈdræɡ.ən.flaɪ/

Dragon-fly

トンボ

Meaning

a large insect with four transparent wings that lives near water

Example

The dragonfly hovered over the pond.

トンボは池の上を飛んでいた。

B1 verb /dɪˈtɜːrmɪn/

determine

決定する

Meaning

to decide; to find out exactly

Example

We must determine the cause of the problem.

私たちは問題の原因を特定する必要があります。

C2 noun /ˈdɛkəˌlɔːɡ/

decalogue

Meaning

The Ten Commandments in the Bible; a set of fundamental rules or principles.

Example

The priest gave a sermon on the importance of the Decalogue.

B2 noun /dɪsˈmɪsl̩/

dismissal

解雇, 拒否

Meaning

the act of removing someone from their job; the act of treating something as unimportant

Example

His unfair dismissal led to a lawsuit against the company.

彼の不当な解雇は、会社に対する訴訟を引き起こしました。

C1 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

外交上のマイルストーン

Meaning

A significant achievement or important event in diplomatic relations.

Example

Hosting the summit was a diplomatic milestone.

サミットの開催は外交上のマイルストーンでした。

B2 adjective /dɪˈbeɪtəbl̩/

debatable

議論の余地がある

Meaning

open to discussion or doubt; not certain

Example

It is debatable whether the policy will work.

その政策が機能するかどうかは議論の余地がある。

C1 adjective ˌdet.rɪˈmen.təl

detrimental

有害な

Meaning

Tending to cause harm; damaging or harmful.

Example

Pollution has detrimental effects on fertility.

汚染は生殖能力に有害な影響を与えます。

C2 noun /ˈdɛkəˌɡɒn/

decagon

十角形

Meaning

A polygon with ten sides and ten angles.

Example

The geometry teacher drew a perfect decagon on the board.

数学の先生は黒板に完璧な十角形を描きました。

C2 noun /ˈdɛvɪltrɪ/

deviltry

悪魔的な行為

Meaning

Cruel or malicious behavior; mischief with an evil aspect.

Example

The villain’s deviltry terrified the townsfolk.

悪党の悪魔的な行為は町の人々を恐れさせました。

B2 noun /dɪˈstrækʃənz/

distractions

気を散らすもの

Meaning

Things that prevent someone from concentrating on something else.

Example

Eliminate distractions for better productivity.

生産性を高めるために、気を散らすものを排除してください。

C2 adjective /ˈdekərəs/

decorous

品位のある

Meaning

showing proper and polite behavior; marked by good taste

Example

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。

C2 noun /ˈdɛsɪkənt/

desiccant

乾燥剤

Meaning

a substance that absorbs moisture and keeps things dry

Example

Silica gel packets are commonly used as a desiccant in packaging.

シリカゲルのパケットは、パッケージングで乾燥剤として一般的に使用されます。

B2 adverb /ˈden.sli/

densely

密に

Meaning

In a closely compacted or crowded manner.

Example

The area is densely covered with trees.

その地域は密に木々で覆われています。

C1 noun /dɪˈvɪnɪti/

divinity

神性

Meaning

The quality or state of being divine; a deity.

Example

The priest spoke about the divinity of the soul.

神父は魂の神性について話しました。

B2 noun /dɪˈnɒmɪˌneɪtər/

denominator

分母

Meaning

the number below the line in a fraction; a common factor in a situation

Example

In the fraction 3/4, the number 4 is the denominator.

3/4の分数では、4は分母です。

C1 noun /ˈdræm.ə.tɪst/

dramatist

劇作家

Meaning

a person who writes plays

Example

Shakespeare is one of the greatest dramatists in history.

シェイクスピアは歴史上最も偉大な劇作家の一人です。

A1 noun /ˈdɒktər/

doctor

医者

Meaning

A qualified medical professional who treats illnesses and injuries.

Example

The doctor prescribed medicine for the patient.

医者は患者に薬を処方しました。

C2 verb /ˈdɛpjʊˌtaɪz/

deputize

副職に任命する

Meaning

To appoint someone as a deputy; to act as a substitute or representative.

Example

The sheriff decided to deputize several locals to help maintain order.

保安官は秩序を維持するために数人の地元の人々を副職に任命することを決定しました。