Deceit
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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 ˌdɪs.æmˌbɪɡ.juˈeɪ.ʃən

disambiguation

曖昧さの解消
Meaning
The removal of ambiguity by making something clear and unambiguous.
Example
The AI system applies disambiguation to refine text understanding.
AIシステムはテキスト理解を精緻化するためにディスアンビギュエーションを適用します。
C1 noun /ˈdɪsɪdənt/

dissident

反体制派
Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
反体制派は政府に対する発言で逮捕された。
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。
C1 verb /dɪsˈfɪɡjər/

disfigure

変形させる
Meaning
to spoil or damage the appearance of something
Example
The fire disfigured the old building.
火事は古い建物を変形させた。
B1 adjective /dɪˈlaɪtɪd/

delighted

喜んで
Meaning
feeling or showing great pleasure and happiness
Example
She was delighted with the surprise gift.
彼女はサプライズギフトにとても喜んでいました。
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 adverb /ˌdaʊnˈsteəz/

Downstairs

階下
Meaning
on or to a lower floor of a building
Example
Please go downstairs and wait in the lobby.
階下に行ってロビーで待ってください。
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。
C1 adjective /ˈdɑːsəl/ or /ˈdəʊsaɪl/

docile

従順な
Meaning
easily managed, taught, or controlled; submissive
Example
The docile puppy quickly learned new tricks.
従順な子犬はすぐに新しい技を覚えました。
C1 noun, adjective /dɪˈfiːtɪst/

defeatist

敗北主義者
Meaning
A person who expects or is excessively ready to accept failure; showing a tendency to expect defeat.
Example
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。
C2 verb /ˈdæli/

dally

無駄にする
Meaning
To act or move slowly; to waste time; also to engage in a casual romantic relationship.
Example
He dallied in the garden instead of starting his work.
彼は仕事を始める代わりに庭で時間を無駄にしていました。
C2 adjective /ˌdɪskəmˈbɑːbjuleɪtɪd/

discombobulated

混乱した
Meaning
confused and disoriented; feeling unsettled
Example
She looked discombobulated after hearing the unexpected news.
予期しないニュースを聞いた後、彼女は混乱しているように見えた。
A1 noun /ˈdɔː.tər/

Daughter

娘
Meaning
a female offspring; a young woman in relation to her parents
Example
Their daughter graduated from medical school with top honors.
彼らの娘は医学校を優秀な成績で卒業しました。
C2 verb /ˈdiːfælˌkeɪt/

defalcate

横領する
Meaning
to misuse or embezzle money that one is responsible for
Example
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。
B1 adjective /drʌŋk/

drunk

酔っ払った
Meaning
affected by alcohol to the point of losing control of one's faculties or behavior
Example
He was too drunk to walk straight.
彼は酔っ払って、まっすぐ歩けなかった。
C1 noun /dɜːrθ/

dearth

不足
Meaning
A scarcity or lack of something.
Example
There was a dearth of food during the famine.
飢饉の間に食料が不足していた。
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。
B1 noun /ˌdek.əˈreɪ.ʃən/

Decoration

装飾; 飾り; 賞;
Meaning
the process or art of decorating something; ornamental items used to beautify
Example
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。
B1 adjective /drəˈmæt.ɪk/

Dramatic

ドラマチック; 突然で驚くべき; 興奮させると印象的
Meaning
relating to drama; sudden and striking; exciting and impressive
Example
The dramatic sunset painted the sky in brilliant colors.
ドラマティックな夕焼けが空を明るい色で染めた。
B2 verb /dɪˈspaɪz/

despise

軽蔑する
Meaning
to regard with contempt; to hate strongly
Example
She despises dishonesty in all its forms.
彼女はすべての不正直を軽蔑している。
B2 adjective /dɪˈzaɪərəbl/

desirable

望ましい
Meaning
worth having or wanting; attractive
Example
The location of the house was highly desirable, with great views.
その家の場所は非常に望ましく、素晴らしい景色がありました。
B2 verb /dɪˈspætʃ/

dispatch

送る
Meaning
to send off to a destination or for a purpose
Example
The company dispatched aid to the flood victims.
その会社は洪水の被害者に援助を発送しました。
B2 noun /ˈdɪɡ.nə.ti/

Dignity

尊厳, 名誉, 自尊
Meaning
the state of being worthy of honor or respect; composure and self-respect
Example
Despite facing hardships, she maintained her dignity throughout the ordeal.
困難に直面しても、彼女は試練を通して尊厳を保ち続けました。
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。
B2 adjective /dɪˈsɛptɪv/

deceptive

騙すような
Meaning
Giving an appearance or impression different from the truth; misleading.
Example
Appearances can be deceptive.
外見は騙すようなものかもしれません。
C2 verb /ˌdɪsɪnˈfræntʃaɪz/

disenfranchise

権利を奪う
Meaning
To deprive someone of the right to vote or other rights.
Example
The new law could disenfranchise thousands of voters.
新しい法律は何千人もの有権者を投票権から外す可能性があります。
C1 noun /dɪˈrɪʒən/

derision

嘲笑
Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
彼のアイデアは観客によって嘲笑された。
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。
B2 adjective /ˈdɛlɪkət/

delicate

壊れやすい
Meaning
Easily broken or damaged; requiring careful handling.
Example
The vase is very delicate, so handle it with care.
この花瓶はとても壊れやすいので、注意して扱ってください。
B1 adjective /ˈdɛdɪˌkeɪtɪd/

dedicated

献身的な
Meaning
devoted to a cause, task, or purpose
Example
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。
C1 noun /dɪˈlɪriəm/

delirium

錯乱
Meaning
An acutely disturbed state of mind characterized by restlessness, illusions, and incoherence.
Example
The patient experienced delirium after the surgery due to the strong medication.
患者は手術後、強い薬物の影響で錯乱状態を経験しました。
B2 noun /dɪˈsɛnt/

descent

降下 / 祖先
Meaning
the action of moving downward, falling, or dropping; ancestry or origin
Example
The climbers began their descent from the mountain peak.
登山者は山頂から降下を始めました。
C1 adjective /dɪˈɡreɪdɪd/

degraded

劣化した
Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
村人たちは劣化した状態で暮らさざるを得なかった。
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。
C2 verb /dɪˈsɛvər/

dissever

分ける
Meaning
To separate or cut apart.
Example
The treaty sought to dissever the two hostile regions.
条約は二つの敵対的な地域を分割しようとした。
A2 noun /ˈdæm.ɪdʒ/

Damage

損害; 被害
Meaning
physical harm caused to something; injury or harm that reduces value or usefulness
Example
The storm caused significant damage to the coastal buildings.
嵐は沿岸の建物に大きな損害を与えました。
B2 noun /ˈdɛpjʊti/

deputy

代理
Meaning
A person appointed as a substitute with power to act.
Example
The deputy will lead the meeting in the manager’s absence.
代理はマネージャー不在時に会議を主導します。
C2 verb /djuːp/

dupe

だます
Meaning
To deceive or trick someone into believing or doing something.
Example
He was duped into buying a fake watch.
彼は偽物の時計を買うようにだまされました。
C2 noun /ˌdɪsəˈvaʊəl/

disavowal

拒否
Meaning
the denial of any responsibility, connection, or support
Example
The politician issued a firm disavowal of the controversial remarks.
その政治家は物議を醸す発言に対して強い拒否を表明した。
C2 noun /draɪ ɡuːs ˈbɛri/

Dry goose berry

乾燥アムラ
Meaning
dehydrated amla fruit, rich in vitamin C and used for medicinal and culinary purposes
Example
Dry goose berry powder is excellent for hair growth.
乾燥アムラの粉末は、髪の成長に優れています。
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 noun /dɪˈfɔː.mə.ti/

Deformity

変形; 身体的欠陥
Meaning
a distorted or unnatural shape or form; physical malformation
Example
The accident caused a permanent deformity in his left hand.
事故は彼の左手に永続的な変形を引き起こしました。
C2 verb /daʊz/

dowse

水や鉱物を占いの棒で探す; または液体で浸すまたは消火する。
Meaning
To search for underground water or minerals using a divining rod; also to drench or extinguish with liquid.
Example
The farmer tried to dowse for water in the dry field.
農夫は乾燥した畑で水を探すためにダウズしようとした。
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。
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。
C1 adjective /ˈdaʊn.kæst/

downcast

Meaning
feeling sad, dejected, or with lowered eyes
Example
He looked downcast after hearing the bad news.
C2 noun /draɪd roʊz ˈpɛtəlz/

Dried Rose Petals

乾燥ローズの花びら
Meaning
dehydrated petals from roses used for culinary and aromatic purposes
Example
The dessert was garnished with dried rose petals.
デザートは乾燥ローズの花びらで飾られていました。
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。
C2 adjective /dɪˈluːsəri/

delusory

幻想的な
Meaning
Based on illusion; not real.
Example
He was filled with delusory hopes of becoming famous overnight.
彼は一夜にして有名になるという幻想的な希望に満ちていた。
C2 noun /ˈdaɪətraɪb/

diatribe

激しい非難
Meaning
A forceful and bitter verbal attack against someone or something.
Example
The politician launched a diatribe against his opponents.
政治家は自分の対戦相手に対して激しい非難を始めた。
C1 noun /dʌsk/

Dusk

夕暮れ; たそがれ
Meaning
the period of the day when daylight is fading; twilight
Example
They walked along the beach during dusk, watching the sunset.
彼らは夕暮れ時にビーチを歩きながら、日没を見ていました。
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

洋裁師
Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
洋裁師は花嫁のために美しいドレスを作った。
B2 noun /daɪm/

dime

10セント硬貨
Meaning
a small coin, especially a U.S. coin worth ten cents
Example
He gave me a dime for the phone call.
電話のためにダイムを一枚くれました。
C2 adjective /daɪˈvɜːrtɪbəl/

divertible

転用可能な
Meaning
capable of being turned aside or redirected
Example
Funds from the budget are not legally divertible.
予算からの資金は合法的に転用できません。
A2 verb /dɪˈskʌs/

discuss

話し合う
Meaning
To talk about something with another person or group in detail.
Example
We need to discuss the project before finalizing it.
プロジェクトを最終決定する前に、それを話し合う必要があります。
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。
C1 verb /daɪˈɡrɛs/

digress

Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
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。
A2 noun /dɪər/

Deer

鹿
Meaning
a graceful wild animal with antlers, especially the male
Example
We saw a beautiful deer grazing in the meadow.
私たちは草原で美しい鹿が草を食べているのを見ました。
C1 noun /dɪn/

din

騒音
Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
外の交通の騒音が集中するのを困難にしていた。
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
C2 noun /ˌdɪsæprəˈbeɪʃən/

disapprobation

強い非難
Meaning
strong disapproval, typically on moral grounds
Example
The policy was met with widespread disapprobation.
その政策は広範な非難を受けました。
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。
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。
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。
B1 noun /dɪˈskʌvəri/

discovery

発見
Meaning
The act of finding or learning something for the first time.
Example
The discovery of penicillin changed medical history.
ペニシリンの発見は医学の歴史を変えた。
C2 adjective /ˈdjuːtiəbl/

dutiable

課税対象
Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
輸入された電子機器はしばしば国境で課税対象となります。
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。
C2 verb /dɪˈkæpɪteɪt/

decapitate

幸せ
Meaning
To cut off the head of a person or animal.
Example
The ancient executioner decapitated the criminal.
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。
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 /daɪˈvʌldʒ/

divulge

明らかにする
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
彼女は情報の源を明らかにすることを拒否しました。
C2 verb /dɪˈnɒmɪˌneɪt/

denominate

命名する
Meaning
to give a name or designation to something
Example
The currency was denominated in dollars.
その通貨はドルで denominated されました。
B2 noun /dɪˈstɪŋk.ʃən/

Distinction

卓越; 優秀; 名誉
Meaning
a difference or contrast between similar things; excellence that sets someone apart; honor or recognition
Example
She graduated with distinction, earning the highest honors in her class.
彼女は優秀な成績で卒業し、クラスで最も高い栄誉を得ました。
B1 verb /dɪˈnaɪ/

deny

否定する
Meaning
to refuse to accept or admit something; to declare something untrue
Example
He denied stealing the money.
彼はお金を盗んだことを否定した。
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。
C1 noun /ˌdɛtəˈneɪʃən/

detonation

爆発
Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
突然の爆発が建物全体を揺さぶった。
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 /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 noun /ˈdrækmə/

drachma

ドラクマ
Meaning
The basic monetary unit of Greece before the adoption of the euro.
Example
The old coin collection included a silver drachma.
古いコインのコレクションには銀のドラクマが含まれていました。
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.
C2 noun /ˈdæstərd/

dastard

卑怯者
Meaning
a cowardly or dishonorable person
Example
Only a dastard would betray his closest friend.
裏切るのは卑怯者だけだ。
B2 noun /ˈdeb.ɪt/

Debit

デビット; 借金; 引き落とし
Meaning
an entry recording an amount owed; money taken from a bank account
Example
The bank showed a debit of fifty dollars from my checking account.
銀行は私の当座預金口座から50ドルのデビットを表示しました。
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。
A2 verb /ˌdɪsəˈpɪər/

disappear

消える
Meaning
to cease to be visible; to vanish
Example
The magician made the rabbit disappear.
マジシャンはウサギを消した。
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。
B2 noun /dɪˈrɛktəri/

directory

ディレクトリ
Meaning
a book or online resource listing people, businesses, or services with relevant details
Example
I need to find a plumber in the phone directory.
電話帳で配管工を探さなければなりません。
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。
C1 noun /ˌdɪsərˈteɪʃən/

dissertation

論文
Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
彼女は博士論文を書くのに2年を費やしました。
C2 verb /ˌdɪskəˈmoʊd/

discommode

邪魔する
Meaning
To cause inconvenience or trouble to someone.
Example
I hope my request does not discommode you.
私のリクエストがあなたに不便をかけないことを願っています。
B2 adjective /dɪˈtætʃt/

detached

分離された, 無関心な
Meaning
separate or disconnected; showing a lack of emotional involvement
Example
He lived in a detached house away from the city.
彼は都市から離れた分離された家に住んでいました。
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。
C2 adjective /ˈdɛsəlˌtɔːri/

desultory

無秩序な
Meaning
lacking a clear plan, purpose, or enthusiasm
Example
His desultory conversation bored the audience.
彼の無秩序な会話は観客を退屈させた。
C1 noun dɪˈskrep.ən.siz

discrepancies

不一致
Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
規則の不一致が進行を遅らせている。
A2 noun /ˈdjuː.ti/

Duty

義務
Meaning
something that one is expected or required to do; moral or legal obligation
Example
It is our duty as citizens to vote in elections.
市民として選挙で投票することは私たちの義務です。
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

信用を失わせる
Meaning
To harm the reputation of someone or something; loss of respect or credibility.
Example
The scandal discredited the politician in the eyes of the public.
スキャンダルは公衆の目で政治家を信用を失わせました。
A2 noun /ˈdɪfɪkəlti/

difficulty

Meaning
the state or condition of being hard to do, deal with, or understand
Example
He faced great difficulty in learning a new language.
A2 noun /ˈdɒŋ.ki/

Donkey

ロバ
Meaning
a domesticated animal related to the horse, with long ears and a braying call
Example
The donkey carried heavy bags up the mountain.
そのロバは重い袋を山へ運びました。
C1 noun /dɪˈfɛkʃən/

defection

脱党
Meaning
The act of abandoning one’s country, cause, or group in favor of another.
Example
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。
B2 noun /ˈdeɪ.tə briːtʃ/

data breach

データ漏洩
Meaning
Unauthorized disclosure of sensitive information through security violation
Example
A data breach exposed millions of users' passwords.
データ漏洩により何百万人ものユーザーのパスワードが公開されました。
C1 noun /ˈdeɪ.ə.ti/

deity

神
Meaning
a god or goddess
Example
The temple is dedicated to a Hindu deity.
その寺院はヒンドゥー教の神に捧げられています。
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

逸脱；定められたコースから外れること
Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
定められた手順からの逸脱は直ちに報告されなければなりません。
B2 noun /ˈdʌmi/

dummy

ダミー / バカな人
Meaning
a model or replica of a human used for practice, display, or testing; also a term for a foolish person
Example
The tailor used a dummy to display the dress.
仕立て屋はドレスを展示するためにダミーを使った。
C2 noun /dɪˈdʒɛkʃən/

dejection

落胆
Meaning
a state of sadness, depression, or low spirits
Example
She sat in a state of dejection after hearing the bad news.
彼女は悪い知らせを聞いた後、落胆した状態で座っていた。
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

必要な物
Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
多くの学生にとって、経済援助は必要な物です。
C2 noun /ˌdeɪnuːˈmɒ̃/

denouement

結末
Meaning
The final resolution or conclusion of a story, drama, or complicated situation.
Example
The novel's denouement was both surprising and satisfying.
その小説の結末は驚くべきものであり、満足のいくものでした。
B2 verb /draʊn/

drown

溺れる
Meaning
to die or cause to die by being submerged in and inhaling water
Example
He nearly drowned while swimming in the river.
彼は川で泳いでいるときにほぼ溺れそうになった。
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 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。
B2 noun /ˈdef.ə.sɪt/

Deficit

赤字; 欠乏
Meaning
the amount by which something is too small; a shortfall or lack
Example
The government faced a budget deficit of millions due to increased spending.
政府は支出の増加により、何百万もの予算の赤字に直面しました。
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

発展途上地域
Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
汚染は発展途上地域に最も影響を与えます。
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。
C2 adjective /droʊl/

droll

ユニーク
Meaning
curious or unusual in a way that provokes dry amusement
Example
He had a droll sense of humor that made everyone laugh.
彼はみんなを笑わせるユニークなユーモアのセンスを持っていた。
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。
B2 noun /dɪˈpləʊməsi/

diplomacy

Meaning
The profession, activity, or skill of managing international relations or handling affairs tactfully.
Example
Effective diplomacy helped avoid the conflict.
B2 noun /ˈdiːtʊr/

detour

迂回路
Meaning
A longer or less direct route taken to avoid something or reach a destination.
Example
We had to take a detour because the main road was closed.
メイン道路が閉鎖されていたので、迂回路を取らなければならなかった。
C1 verb /dɪsˈlɒdʒ/

dislodge

追い出す
Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
部隊は敵を丘から追い出した。
B2 noun /djʊˈreɪʃən/

duration

期間
Meaning
the length of time that something continues
Example
The meeting lasted for the duration of two hours.
会議は2時間の期間続きました。
B2 noun /ˈdʌklɪŋ/

duckling

Meaning
a young duck
Example
The mother duck led her ducklings to the pond.
A2 adjective /dʌtʃ/

dutch

オランダの
Meaning
relating to the Netherlands, its people, or their language
Example
She enjoys Dutch paintings from the 17th century.
彼女は17世紀のオランダの絵画を楽しんでいます。
C2 adjective /ˈdɪfɪdənt/

diffident

Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.