Dialogue
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B1 noun /ˈdaɪ.ə.lɑːɡ/

Dialogue

対話; 会話
Meaning
a conversation between two or more people; discussion aimed at exploration of a subject
Example
The political leaders engaged in meaningful dialogue to resolve the conflict.
政治指導者たちは紛争解決のために有意義な対話を行いました。
A2 verb /drɔː/

draw

描く
Meaning
to create pictures or designs with a pencil or pen
Example
She draws beautiful landscapes in her spare time.
彼女は余暇に美しい風景を描きます。
C2 adjective /ˈdɛdˌpæn/

deadpan

無表情
Meaning
Deliberately impassive or expressionless in manner.
Example
She delivered the joke in a completely deadpan voice.
彼女は完全に無表情な声でジョークを言った。
B1 noun /dɪˈbeɪt/

Debate

討論
Meaning
a formal discussion of opposing viewpoints; argument with reasoned points
Example
The political debate lasted for three hours with passionate arguments.
政治的な討論は3時間続き、情熱的な議論が交わされました。
C1 adjective /dɪˈfɪʃənt/

Deficient

不足している
Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
彼の食事は必要なビタミンが不足していた。
C2 noun /ˈdɪti/

ditty

短い歌
Meaning
a short, simple song or poem
Example
She sang a cheerful little ditty while cooking.
彼女は料理をしながら陽気な小さな歌を歌っていた。
C2 adjective /dɪsˈkʌmfɪtɪŋ/

discomfiting

不快な
Meaning
Causing unease, embarrassment, or discomfort.
Example
His discomfiting questions made everyone shift uncomfortably in their seats.
彼の不快な質問は、皆が座席で不安そうに動かせるようにさせた。
C2 noun /dɪˈfoʊliənt/

defoliant

Meaning
a chemical that causes leaves to drop from plants, often used in warfare or agriculture
Example
The army sprayed defoliant to clear the forest cover.
B2 adjective /ˈdaʊt.fəl/

Doubtful

疑わしい; 不確かな; 何かに対して不確かに感じる
Meaning
uncertain; questionable; feeling uncertain about something
Example
I am doubtful about the success of this project.
私はこのプロジェクトの成功について疑問を持っています。
A1 noun /dɛsk/

desk

机
Meaning
a piece of furniture with a flat surface used for writing or working
Example
The books are on the desk.
本は机の上にあります。
C2 noun /ˈdoʊneɪtər/

donator

寄付者
Meaning
A person who gives something, especially money or goods, as a donation.
Example
The donator wished to remain anonymous after contributing a large sum.
寄付者は大きな金額を寄付した後、匿名でいることを希望しました。
B1 noun /ˈdɛv.əl/

devil

悪魔
Meaning
An evil spirit or supernatural being often regarded as the embodiment of wickedness and harm.
Example
The story warned children about making deals with the devil.
その話は子供たちに悪魔と取引をしないように警告した。
C1 noun /dɪsˈɒn.ər/

Dishonour

不名誉
Meaning
a state of shame or disgrace; lack of honor or integrity; failure to fulfill obligations
Example
Breaking his promise brought dishonour to his name and family legacy.
約束を破ったことが彼の名前と家族の遺産に不名誉をもたらした。
B1 adverb /ˈdeɪndʒərəsli/

Dangerously

危険に
Meaning
in a way that could cause harm or injury; riskily
Example
He was driving dangerously fast on the highway.
彼は高速道路で危険に速く運転していた。
C2 noun /daɪˈvɛstɪtʃər/

divestiture

事業売却
Meaning
the action of selling off or disposing of business interests or assets
Example
The divestiture of the subsidiary was completed last year.
子会社の事業売却は昨年完了しました。
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。
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。
C2 noun /ˈdɒldrəmz/

doldrums

Meaning
A state of inactivity, stagnation, or low spirits; also a region near the equator with calm winds.
Example
After the project failed, the team was stuck in the doldrums for months.
B2 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
C1 adjective dɪsˈfʌŋkʃənl

dysfunctional

機能不全の
Meaning
Not operating normally or properly.
Example
The dysfunctional system led to numerous delays and errors.
機能不全のシステムは多くの遅延とエラーを引き起こしました。
C1 adjective /dɪˈmɪnjətɪv/

diminutive

非常に小さい
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
その非常に小さい体格にもかかわらず、彼は強力なリーダーだった。
A2 verb /dɪˈstrɔɪ/

destroy

破壊する
Meaning
to damage something so badly that it cannot be used
Example
The fire destroyed the entire building.
火事が建物全体を破壊しました。
B2 noun /drɪl/

drill

ドリル
Meaning
a tool or exercise used for making holes or practicing skills
Example
The students took part in a fire drill at school.
生徒たちは学校で火災訓練に参加しました。
C2 noun /dɪˈsɛnʃən/

dissension

意見の相違
Meaning
Strong disagreement or difference of opinion, especially leading to discord within a group.
Example
The meeting ended in dissension among the committee members.
会議は委員会メンバー間の意見の相違で終了しました。
C2 noun dɪsˈbɜːs.mənt

disbursement

支払い
Meaning
The payment of money from a fund.
Example
The company's disbursement of salaries was delayed.
会社の給与の支払いが遅れました。
C1 adjective /ˈdɒdʒi/

Dodgy

疑わしい; 質が悪い; 信頼できない; 危険なまたはリスクのある
Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
その取引は私には疑わしく聞こえます。
C2 adjective /dɪˈkrɛpɪt/

decrepit

老朽
Meaning
worn out or weakened by age or neglect
Example
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。
B2 adjective /ˈded.li/

Deadly

致命的な; 死亡の; 危険な
Meaning
causing or able to cause death; extremely dangerous; lethal
Example
The deadly poison killed the plant instantly.
致命的な毒はその植物を瞬時に殺しました。
B1 noun dɪˈmɒk.rə.si

democracy

民主主義
Meaning
A system of government by the whole population or all the eligible members of a state, typically through elected representatives.
Example
Democracy ensures equal rights for all citizens.
民主主義はすべての市民に平等な権利を保障します。
A2 verb dɪˈvɛləp

develop

発展させる
Meaning
To grow or bring to a more advanced or effective state; to start to exist, experience, or possess gradually.
Example
Develop a brand based on your passion and skills.
情熱とスキルに基づいてブランドを発展させましょう。
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 noun /duːm/

doom

運命
Meaning
A terrible fate, destruction, or unavoidable bad outcome.
Example
The ancient prophecy foretold the city’s doom.
古代の予言は都市の運命を予見していた。
C1 adjective /ˌdɪktəˈtɔːriəl/

dictatorial

独裁的
Meaning
Having or showing a tendency to tell people what to do in an autocratic way.
Example
His dictatorial style made him unpopular among colleagues.
彼の独裁的なスタイルは、同僚たちの間で不人気だった。
C2 adjective /ˈdɪsənənt/

dissonant

不協和音
Meaning
Harsh and lacking harmony; conflicting.
Example
The orchestra produced a dissonant sound during rehearsal.
オーケストラはリハーサル中に不協和音を発生させました。
B2 noun draʊt

drought

干ばつ
Meaning
A prolonged period of abnormally low rainfall; a shortage of water.
Example
Drought impacts crop growth significantly.
干ばつは作物の成長に大きな影響を与えます。
C2 adjective /dɪˈstreɪ/

distrait

ぼんやりした
Meaning
deeply distracted or absent-minded, often due to worry or grief
Example
He looked distrait after hearing the sad news.
悲しい知らせを聞いた後、彼はぼんやりしているように見えた。
C1 phrase ˌdɪp.ləˈmæt.ɪk rɛz.əˈluː.ʃən

diplomatic resolution

外交的解決
Meaning
A peaceful solution to conflicts through negotiation and diplomatic channels.
Example
A diplomatic resolution is necessary for peace.
平和には外交的解決が必要です。
C2 noun /dɪˈpləʊmətɪst/

diplomatist

外交官
Meaning
A person skilled in diplomacy; another word for diplomat.
Example
The diplomatist handled the negotiations with great tact.
外交官は交渉を巧みに取り扱いました。
B2 noun /ˈdes.tə.ni/

Destiny

運命; 定め; 前定
Meaning
the events that will necessarily happen to someone in the future; fate or predetermined course
Example
She believed that meeting him was her destiny and meant to be.
彼女は彼に出会うことが運命だと信じていて、それは必ず起こることだと思っていた。
C2 noun /ˈdændi/

dandy

外見と服装に過剰に気を使う男性
Meaning
a man who gives too much attention to his appearance and clothes
Example
The young dandy spent hours grooming himself before the party.
若いダンディはパーティーの前に何時間も自分を整えるのに費やした。
C2 adjective /dɪˈmjʊər/

demure

控えめ
Meaning
reserved, modest, and shy
Example
She gave him a demure smile.
彼女は控えめな笑顔を彼に向けた。
A2 adjective /diːp/

deep

幸せ
Meaning
extending far down from the top or surface; profound or intense
Example
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。
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
C1 adjective /dɪˈraɪsɪv/

derisive

軽蔑的な
Meaning
Expressing contempt or ridicule.
Example
She gave a derisive laugh at his attempt to sing.
彼女は彼の歌おうとする試みに対して軽蔑的な笑い声を上げた。
B2 noun /ˈdiːlər/

dealer

ディーラー
Meaning
a person or business that buys and sells goods; someone who distributes
Example
The car dealer offered a discount to attract customers.
車のディーラーは顧客を引き付けるために割引を提供しました。
A1 noun /ˈdɪnər/

Dinner

夕食
Meaning
the main meal of the day, typically eaten in the evening
Example
The family gathered for dinner at 7 PM.
家族は午後7時に夕食のために集まりました。
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 adjective /dɪˈsaɪsɪv/

decisive

決定的
Meaning
Having the ability to make decisions quickly and effectively; determining the outcome.
Example
Her decisive action saved the company from collapse.
彼女の決定的な行動が会社を崩壊から救った。
B1 noun /ˌdiː.enˈeɪ/

dna

デオキシリボ核酸
Meaning
Deoxyribonucleic acid, the molecule that carries genetic information in living organisms.
Example
Scientists extracted DNA from the ancient bones.
科学者たちは古代の骨からDNAを抽出しました。
C1 noun/adjective /dɪˈtɜː.rənt/

deterrent

抑止力
Meaning
A thing that discourages or is intended to discourage someone from doing something.
Example
A strict law serves as a deterrent to crime.
厳格な法律は犯罪の抑止力として機能します。
C2 verb /dʌn/

dun

借金を取り立てる
Meaning
to demand payment of a debt persistently
Example
The landlord dunned the tenant for unpaid rent.
家主は未払いの家賃のためにテナントに何度も支払いを求めました。
C1 adjective /dɪˈskrɪmɪˌneɪtɪŋ/

discriminating

選り好みする
Meaning
Having refined taste or good judgment; able to recognize subtle differences.
Example
She is known for her discriminating taste in art.
彼女は芸術における選り好みの味で知られています。
C1 verb /dʌb/

dub

吹き替え
Meaning
to give a name or label to something; to add a soundtrack to a film or recording
Example
The movie was dubbed into several languages for international release.
その映画は国際公開のためにいくつかの言語に吹き替えられました。
B1 noun /dɜːrt/

Dirt

汚れ; 土; 不潔な物質
Meaning
a substance that makes something unclean; earth or soil; unclean matter
Example
After playing in the garden, the children were covered in dirt from head to toe.
庭で遊んだ後、子供たちは頭から足まで汚れで覆われていました。
A2 noun /dɪˈsɪʒənz/

decisions

決定
Meaning
A conclusion or resolution reached after consideration; the action or process of deciding something.
Example
Making the right decisions in time was key to the project's success.
時間内に正しい決定を下すことがプロジェクトの成功の鍵でした。
C1 verb /daɪˈluːt/

dilute

薄める
Meaning
To make a liquid thinner or weaker by adding water or another solvent.
Example
You should dilute the juice with water before serving it to children.
子供たちに出す前にジュースを水で薄めるべきです。
C2 adjective /djuːˈplɪsɪtəs/

duplicitous

裏表のある
Meaning
Deceitful; deliberately deceptive or dishonest.
Example
The politician was criticized for his duplicitous statements.
その政治家は裏表のある発言で批判された。
C1 verb, noun /ˌdɪsɪˈluːʒən/

disillusion

幻滅
Meaning
to cause someone to realize that something is not as good as they believed
Example
The scandal disillusioned many voters.
そのスキャンダルは多くの有権者を幻滅させた。
B2 adjective /dɪˈfensɪv/

Defensive

防御的
Meaning
used or intended to defend or protect; showing a tendency to react in an angry or hurt way when criticized
Example
He became defensive when criticized about his work.
彼は自分の仕事を批判されると防御的になった。
C2 noun /ˈdɒkɪt/

docket

リスト
Meaning
a list or schedule of cases to be tried in a court or items to be done
Example
The judge reviewed the docket before starting the session.
裁判官はセッションを開始する前にリストを確認しました。
B2 noun /ˈdɔːr.mæt/

Door-mat

ドアマット
Meaning
a mat placed in front of a door for wiping feet
Example
Please wipe your feet on the door-mat before entering the house.
家に入る前にドアマットで足を拭いてください。
C2 adjective /dɪˈdjuːsəbl/

deducible

推測可能な
Meaning
able to be deduced; possible to be inferred
Example
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。
C2 verb /ˈdiːɪfaɪ/

deify

神格化する
Meaning
to treat or worship someone or something as a god
Example
Some fans deify their favorite celebrities.
一部のファンはお気に入りの有名人を神のように崇拝します。
C1 noun /ˈdaɪnəˌmoʊ/

dynamo

電気を発生させる機械; 大きなエネルギーと熱意を持つ人物
Meaning
A machine that generates electricity; a person with great energy and enthusiasm.
Example
She is the real dynamo behind the success of the company.
彼女は会社の成功の背後にある本物のダイナモです。
B2 adjective /ˈdræs.tɪk/

Drastic

劇的な; 厳しい; 強い影響を与える
Meaning
extreme; severe; having a strong or far-reaching effect
Example
The company took drastic measures to reduce costs.
会社はコスト削減のために劇的な措置を取った。
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。
C1 noun /dɪˈsiːt/

Deceit

欺瞞; 詐欺; 嘘
Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
彼の欺瞞は、彼の資格についての真実が明らかになったときに発覚しました。
C1 noun /daɪˈsɛkʃən/

dissection

解剖
Meaning
the act of cutting apart or analyzing something in detail, especially a body or structure
Example
The dissection of the specimen revealed important details about its structure.
標本の解剖はその構造に関する重要な詳細を明らかにした。
B2 adjective /dɪˈstrʌktɪv/

Destructive

破壊的な
Meaning
causing damage; harmful
Example
The hurricane was highly destructive to coastal areas.
ハリケーンは沿岸地域に非常に破壊的でした。
A1 noun /deɪts/

Dates

デーツ
Meaning
sweet brown oval fruits that grow on date palm trees
Example
Dates are commonly eaten during Ramadan to break the fast.
デーツはラマダン中に断食を解くためによく食べられます。
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。
B1 noun /dɪˈsɪʒənˌmeɪkɪŋ/

decision-making

意思決定
Meaning
the process of making decisions, especially important or business-related decisions
Example
The CEO's decision-making was crucial for the success of the company.
CEOの意思決定は、会社の成功にとって重要でした。
B1 noun /ˌdɪsəˈpɔɪntmənt/

disappointment

失望
Meaning
the feeling of sadness or displeasure caused by the non-fulfillment of one's hopes or expectations
Example
Her face showed deep disappointment after hearing the results.
結果を聞いた後、彼女の顔には深い失望が表れていた。
C1 verb /dɪsˈɡrʌntl/

disgruntle

不満にさせる
Meaning
to make someone dissatisfied or discontented
Example
The unfair treatment disgruntled the workers.
不公平な扱いが労働者を不満にさせた。
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。
C2 noun /dɪˈmʌrɪdʒ/

demurrage

デマレッジ
Meaning
a charge payable to the owner of a ship or vehicle for not loading or unloading on time
Example
The company had to pay demurrage for delaying the unloading of goods.
会社は荷物の荷降ろしの遅れでデマレッジを支払わなければならなかった。
C1 adjective /dɪˈʃɛvəld/

disheveled

乱れた
Meaning
Untidy, messy, or in disorder, especially of hair or clothing.
Example
He arrived with disheveled hair and wrinkled clothes.
彼は乱れた髪とシワの寄った服で到着しました。
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。
C1 noun dɪˈsʌɪsɪvnɪs

decisiveness

決断力
Meaning
The ability to make decisions quickly and effectively.
Example
His decisiveness during the crisis saved the company.
危機の際、彼の決断力が会社を救った。
C2 noun /dɛnˈdrɒlədʒi/

dendrology

Meaning
the scientific study of trees and woody plants
Example
He is studying dendrology at the university.
C2 noun /ˌdɪpsəˈmeɪniæk/

dipsomaniac

アルコール中毒者
Meaning
A person with an uncontrollable craving for alcoholic drinks.
Example
The novel portrayed the tragic downfall of a dipsomaniac who lost everything to alcohol.
その小説はアルコールに全てを失ったアルコール中毒者の悲劇的な転落を描いています。
C2 adjective /ˈdaʊ.di/

dowdy

時代遅れ / ださい
Meaning
unfashionable, dull, or shabby in appearance
Example
She wore a dowdy dress to the party.
彼女はパーティーに時代遅れのドレスを着ていた。
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。
B2 adjective /dɪm/

Dim

薄暗い; 少ない光; 弱い
Meaning
not bright; having little light; faint
Example
The room was dim with only a small candle for light.
部屋は薄暗く、ライトとして小さなキャンドルだけがありました。
C2 adjective /ˌdɛməˈnaɪəkəl/

demoniacal

悪魔的な
Meaning
characteristic of or resembling a demon; wildly evil
Example
He gave a demoniacal laugh that terrified everyone.
彼は皆を恐れさせるような悪魔的な笑い声を上げた。
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。
C1 noun /dɪsˈsɜːrvɪs/

disservice

害
Meaning
A harmful action; something that does damage rather than help.
Example
Spreading false information is a disservice to the community.
偽の情報を広めることは、コミュニティに害を与えることです。
A2 adjective, noun /dɛd/

dead

死んだ
Meaning
No longer alive; the end of life.
Example
The old tree is completely dead.
その古い木は完全に死んでいる。
C2 noun /ˌdaɪəˈlɛktɪk/

dialectic

Meaning
A method of argument or reasoning by dialogue, especially as a means of investigating truth.
Example
The philosopher used dialectic to challenge his students' assumptions.
C2 verb /deɪn/

deign

自分の尊厳を損ねて何かをする
Meaning
to do something considered beneath one's dignity
Example
The king did not deign to reply to the commoner.
王は平民に返答することをしなかった。
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 /ˈdeɪnti/

dainty

優雅で可愛らしい
Meaning
Delicately small, pretty, and often considered elegant.
Example
She wore a dainty necklace made of pearls.
彼女は真珠でできた繊細なネックレスをしていました。
C1 noun /ˌdɜːrməˈtɑːlədʒi/

dermatology

皮膚科学
Meaning
The branch of medicine concerned with the skin and its diseases.
Example
He studied dermatology at medical school.
彼は医学部で皮膚科学を学んだ。
C1 noun /ˈdɒktrɪn/

doctrine

教義
Meaning
A set of beliefs or principles held and taught by a religious, political, or other group.
Example
The church follows a strict doctrine on moral values.
教会は道徳的価値に関する厳格な教義を遵守しています。
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。
C1 noun dɪˈtɜː.mɪ.nənt

determinant

決定的な要素
Meaning
A factor that decisively affects the nature or outcome of something.
Example
Education is a key determinant of success.
教育は成功の重要な決定的要素です。
B2 noun /dɪˈpen.dənt/

Dependent

依存している; 扶養されている
Meaning
a person who relies on another for financial support; someone who depends on others
Example
As a tax dependent, she could not file her own tax return separately.
税金の扶養控除対象者として、彼女は自分の税務申告を別々に提出することができませんでした。
C1 verb /dɪˈstɪl/

distill

Meaning
To purify a liquid by heating and cooling; to extract the essential meaning or most important aspects.
Example
The factory distills water to make it safe for drinking.
C2 noun /ˈdeɪ.mæn/

day-man

日雇い労働者
Meaning
a worker employed by the day; a day laborer
Example
The farmer hired a day-man to help with the harvest.
農家は収穫を手伝うために日雇い労働者を雇いました。
C1 adjective /dɪˈspɒndənt/

despondent

Meaning
feeling or showing deep hopelessness or discouragement
Example
She felt despondent after losing her job.
B1 verb /dɪˈvaɪd/

divide

分ける
Meaning
to separate into parts; to split or break apart
Example
Please divide the cake into eight pieces.
ケーキを8つに分けてください。
C1 noun dɪˈfleɪʃən

deflation

デフレーション
Meaning
Reduction of the general level of prices in an economy.
Example
Deflation often leads to decreased consumer spending.
デフレーションはしばしば消費者の支出を減少させる。
C1 noun /ˈdɛljuːdʒ/

deluge

洪水
Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
その町は数時間で豪雨の洪水に襲われました。
C1 verb /dɪˈmoʊt/

demote

降格
Meaning
to reduce to a lower rank or position
Example
The manager decided to demote the employee for poor performance.
マネージャーはパフォーマンスが悪いため、従業員を降格させることに決めました。
C2 adjective /dɪˈlɛktəbl̩/

delectable

美味しい
Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
レストランは美味しい料理を提供しました。
B2 noun /ˌdɪsəˈpruːvəl/

disapproval

不賛成
Meaning
The expression of an unfavorable opinion or judgment
Example
Her parents showed clear disapproval of her decision to drop out of college.
彼女の両親は、大学を中退するという彼女の決定に明確な不賛成を示した。
C1 verb /ˈdɛprɪˌkeɪt/

deprecate

非難する
Meaning
to express disapproval of something
Example
The teacher deprecated the use of slang in academic essays.
教師は学術論文でのスラングの使用を非難しました。
C1 noun /ˈdæɡ.ər/

Dagger

短剣
Meaning
a short knife with a pointed blade used as a weapon
Example
The ancient warrior carried a silver dagger.
古代の戦士は銀の短剣を携えていた。
B2 adjective /ˈdred.fəl/

Dreadful

恐ろしい; 恐怖を引き起こす; 恐ろしい
Meaning
extremely bad or unpleasant; causing fear or suffering; terrible
Example
The weather was dreadful during our vacation.
私たちの休暇中、天気は恐ろしかった。
C1 adjective /dɪˈvɔɪd/

devoid

空虚
Meaning
Completely lacking or without something.
Example
His speech was devoid of any real emotion.
彼のスピーチは実際の感情が空虚だった。
C1 noun /draɪ fɪʃ/

Dry fish

干物
Meaning
fish that has been preserved by drying in the sun or by other dehydration methods
Example
Dry fish is a popular preserved food in many coastal regions.
干物は多くの沿岸地域で人気のある保存食です。
A2 noun /ˈdiː.teɪl/

detail

詳細
Meaning
An individual feature, fact, or item of information.
Example
She explained the plan in great detail.
彼女は計画を詳細に説明しました。
C1 noun ˈdɪk.ʃən

diction

発音と単語の選択
Meaning
The style of pronunciation and word choice in speaking or writing.
Example
A strong diction enhances communication skills.
強いディクションはコミュニケーション能力を向上させます。
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

徐々に消失する
Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
部屋の中の緊張感は徐々に消えていった。
A1 noun /ˈdɒlər/

dollar

ドル
Meaning
The basic monetary unit of the United States and some other countries
Example
I need five dollars to buy this book.
この本を買うには5ドル必要です。
A2 noun dɪˈskʌʃ.ənz

discussions

議論
Meaning
The action or process of talking about something in order to reach a decision or to exchange ideas.
Example
Discussions promote collaboration.
ディスカッションは協力を促進します。
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。
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
C1 noun /dɪˌpriː.ʃiˈeɪ.ʃən/

depreciation

減価償却
Meaning
A reduction in the value of an asset with the passage of time, due to wear and tear.
Example
The car's depreciation rate is high after five years.
車の減価償却率は5年後に高くなります。
B2 verb /dwel/

dwell

住む
Meaning
to live in a place; to think about something for a long time
Example
They dwell in a small cottage by the lake.
彼らは湖の近くの小さな家に住んでいます。
C2 noun /ˌdɪskənˈtɪnjʊəns/

discontinuance

中止
Meaning
the act of stopping something, especially permanently
Example
The discontinuance of the service disappointed many customers.
サービスの中止は多くの顧客を失望させました。