dandy
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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。
C1 adjective /dɪˈspɜːrst/

dispersed

散らばった
Meaning
Scattered or spread across a wide area.
Example
The dispersed population made it difficult to provide public services.
散らばった人口は公共サービスの提供を困難にしました。
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。
C1 verb /dɪˈmiːn/

demean

侮辱する
Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
マネージャーは粗野なコメントで社員を侮辱しました。
B2 noun /dɪˈstɜː.bəns/

Disturbance

騒乱; 邪魔; 不安
Meaning
the interruption of a settled and peaceful condition; anxiety or mental uneasiness
Example
The loud music created a disturbance that bothered all the neighbors.
大きな音楽は、すべての隣人を困らせた騒乱を引き起こしました。
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。
A1 noun /deɪz/

days

日々
Meaning
plural of day; refers to multiple 24-hour periods of time
Example
The project will take at least five days to finish.
このプロジェクトは少なくとも5日かかります。
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 /depθ/

Depth

深さ; 深いまたは深遠な特質
Meaning
the distance from the top or surface to the bottom; the quality of being intense or profound
Example
The depth of the ocean in this area reaches over three thousand meters.
この地域の海の深さは3,000メートルを超えています。
C1 adjective /dɪˈklærətɪv/

declarative

宣言的
Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
宣言的な文は、単に事実や意見を述べるものです。
C2 noun /daɪˈvʌldʒəns/

divulgence

暴露
Meaning
the act of revealing or disclosing something secret or private
Example
The divulgence of company secrets caused a major scandal.
企業の秘密の暴露が大きなスキャンダルを引き起こした。
C1 noun /dɪˈsaɪ.pəl/

Disciple

弟子; 信者
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
その有名な哲学者には多くの弟子がいて、彼の教えを世界中に広めました。
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。
C1 verb /dɪˈfeɪs/

deface

傷つける
Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
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。
B2 adjective daɪˈvɜːs

diverse

多様な
Meaning
Showing a great deal of variety; very different.
Example
Diverse industries enhance economic resilience.
多様な産業が経済的な回復力を高める。
C1 noun ˈdɪl.ɪ.dʒəns

diligence

勤勉
Meaning
Careful and persistent work or effort.
Example
Success requires patience and diligence.
成功には忍耐と勤勉が必要です。
B2 noun /dɔːn/

Dawn

夜明け
Meaning
the first appearance of light in the sky before sunrise; the beginning or start of something
Example
The fishermen set out to sea before dawn to catch the morning tide.
漁師たちは夜明け前に海に出て、朝の潮を捕まえました。
A2 verb /der/

dare

挑戦する
Meaning
to have courage to do something; to challenge someone
Example
I dare you to jump into the pool.
プールに飛び込む挑戦をします。
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。
A1 verb/noun /dæns/

dance

幸福
Meaning
to move rhythmically to music, typically following a set sequence of steps
Example
They danced all night at the wedding.
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 verb /dɪˈmɪnɪʃ/

diminish

Meaning
to make or become less; to reduce in size, importance, or value
Example
Over time, his influence in the company began to diminish.
C1 adjective /dɪˈvɪzəbl/

divisible

割り切れる
Meaning
Capable of being divided by another number without leaving a remainder.
Example
Twelve is divisible by three and four.
12は3と4で割り切れます。
C1 verb /dɪˈbeɪs/

debase

低下させる
Meaning
to reduce the quality, value, or dignity of something
Example
Corruption can debase the values of a society.
腐敗は社会の価値観を低下させる可能性があります。
A1 verb /duː/

do

する
Meaning
to perform an action; to carry out
Example
I do my homework every evening.
私は毎晩宿題をします。
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。
A1 noun /dæd/

dad

お父さん
Meaning
an informal term for father
Example
My dad taught me how to ride a bike.
私のお父さんは自転車の乗り方を教えてくれました。
C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
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。
C2 noun /ˌdɛrɪˈlɪkʃən/

dereliction

職務怠慢
Meaning
the state of being abandoned; neglect of duty
Example
The officer was charged with dereliction of duty.
その役人は職務怠慢で起訴された。
C1 noun /ˈdel.ɪ.kə.si/

Delicacy

繊細さ; 高級な料理;
Meaning
fineness of texture or structure; a choice or expensive food; sensitivity in handling
Example
The chef prepared a local delicacy that was famous throughout the region.
シェフは地域全体で有名な地元のデリカシーを準備しました。
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。
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。
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.
C1 adjective /drəˈkoʊniən/

draconian

ドラコニアン
Meaning
Extremely harsh and severe, especially laws or rules.
Example
The new regulations were criticized as draconian.
新しい規制はドラコニアンだと批判されました。
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。
B1 noun /dɪˈpɑː.tʃər/

Departure

出発
Meaning
the action of leaving, especially to start a journey; a deviation from an established course
Example
The departure of the train was delayed by thirty minutes due to technical issues.
列車の出発は技術的な問題で30分遅れました。
B2 adjective /dɪˈstɪŋɡwɪʃt/

Distinguished

優れた; 名誉のある; 有名な; 尊厳のある外見または態度
Meaning
notable; honored; famous; having a dignified appearance or manner
Example
He is a distinguished professor at the university.
彼は大学の優れた教授です。
C2 noun /ˈdʌblɪt/

doublet

ダブレット / タイトジャケット
Meaning
a close-fitting jacket worn by men in the Renaissance; also, a pair of similar things
Example
The actor wore a velvet doublet for the Shakespearean play.
俳優はシェイクスピア劇のためにベルベットのダブレットを着ました。
B1 adverb /ˈdaʊnwədz/

Downwards

下向き
Meaning
towards a lower place or position; in a downward direction
Example
The ball rolled downwards along the slope.
ボールは坂を下向きに転がった。
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

多様化された
Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
その会社はリスクを減らすために多様化されたビジネス戦略を採用した。
C2 verb /dɪsˈbɜːrs/

disburse

分配する
Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
その団体は影響を受けた家族に資金を分配します。
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

デマグネタイズ
Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
技術者は古いカセットテープの磁気を取り除いた。
C2 noun/adjective /ˈdɪstæf/

distaff

女性に関連、母系
Meaning
Relating to women or the maternal side of a family; also a tool for spinning thread.
Example
She came from the distaff side of a noble family.
彼女は名家の母系から来た。
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。
B2 noun /ˈdiː.fekt/

Defect

欠陥
Meaning
a shortcoming, imperfection, or lack; a fault or flaw in something
Example
The manufacturing defect caused the product to fail after only one week.
製造上の欠陥により、製品はわずか1週間で故障しました。
B2 verb /dɪˈprɛs/

depress

落ち込ませる
Meaning
To make someone feel sad or without hope; to reduce the level or strength of something.
Example
The gloomy weather tends to depress people.
陰鬱な天気は人々を落ち込ませる傾向がある。
C1 noun /ˌdɛrɪˈveɪʃən/

derivation

派生
Meaning
The origin or development of something from a source.
Example
The derivation of the word comes from Latin.
その単語の起源はラテン語から来ている。
B2 verb /ˌdaɪəɡˈnoʊz/

diagnose

診断する
Meaning
To identify a disease, condition, or problem by examining symptoms.
Example
The doctor diagnosed him with pneumonia.
医者は彼に肺炎と診断しました。
C2 adjective /ˈdʌktaɪl/

ductile

延性
Meaning
capable of being stretched into a thin wire without breaking; easily influenced
Example
Gold is a very ductile metal.
金は非常に延性のある金属です。
C1 noun /ˌdaɪəˈrɑːmə/

diorama

ジオラマ
Meaning
a three-dimensional model representing a scene, often with miniature figures
Example
The museum displayed a diorama of an ancient village.
博物館に古代の村のジオラマが展示されていました。
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。
C1 noun /ˌdɛfəˈmeɪʃən/

defamation

名誉毀損
Meaning
the act of damaging someone's reputation by making false statements
Example
The newspaper was sued for defamation of character.
その新聞は名誉毀損で訴えられた。
A2 verb /ˈdraɪvɪŋ/

driving

運転
Meaning
the act of controlling and operating a vehicle; guiding or motivating something forward
Example
She loves driving along the coast on weekends.
彼女は週末に沿岸をドライブするのが大好きです。
B2 adverb /ˈdʌbli/

doubly

二重に
Meaning
in a twofold manner; to twice the degree
Example
She felt doubly fortunate after winning the prize and getting a promotion.
彼女は賞を受賞し、昇進した後、二重に幸運だと感じました。
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。
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。
C2 noun /ˈdjʊərəns/

durance

監禁
Meaning
imprisonment or confinement
Example
The prisoner spent years in durance before his release.
囚人は解放される前に数年間監禁されていた。
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 /dɪˈpləʊ.mə/

diploma

卒業証書
Meaning
an official document showing that a person has completed a course of study or training
Example
She received her diploma after finishing the nursing program.
彼女は看護プログラムを修了した後、卒業証書を受け取りました。
C1 noun /ˈdɛməɡɒɡ/

demagogue

デマゴーグ
Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
群衆はデマゴーグの情熱的な演説に影響された。
C1 noun /ˈdɛspətɪzəm/

despotism

専制政治
Meaning
absolute power exercised in a cruel and oppressive way
Example
The people revolted against the era of despotism.
人々は専制政治の時代に反乱を起こしました。
B1 verb /ˈdɛmənˌstreɪt/

demonstrate

示す
Meaning
to clearly show or prove something through evidence, explanation, or action
Example
The teacher demonstrated the experiment to the class.
先生はクラスに実験をデモンストレートしました。
C2 adverb /ˈdɑːrklɪŋ/

darkling

暗闇の中で
Meaning
In the dark or growing dark; dimly.
Example
The forest creatures moved darkling through the night.
森の生き物は夜に暗闇の中で動いていた。
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 verb /ˌdɪsəˈvaʊ/

disavow

否定する
Meaning
to deny responsibility for or connection with something
Example
He disavowed any involvement in the scandal.
彼はスキャンダルへの関与を否定した。
B2 verb /dɪˈstɔːrt/

distort

Meaning
to twist or change the shape, appearance, or meaning of something so it is not true or accurate
Example
The mirror distorted her reflection.
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。
B2 noun /ˈdɛməˌkræt/

democrat

民主主義者
Meaning
a supporter of democracy or a member of the Democratic Party in the US
Example
He is a strong democrat who believes in equal rights.
彼は平等な権利を信じる強い民主主義者です。
C2 noun /dæmˈneɪ.ʃən/

Damnation

永遠の罰; 破滅
Meaning
condemnation to eternal punishment in hell; something that causes ruin or failure
Example
The preacher spoke about salvation and damnation in his sermon.
説教者はその説教で救いと永遠の罰について話しました。
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。
C2 noun /dɪˈtraɪtəs/

detritus

デトリタス
Meaning
Waste or debris of any kind; fragments left from destruction or decay.
Example
The riverbank was covered with detritus after the flood.
洪水後、川岸はデトリタスで覆われていました。
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。
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。
C1 noun /ˌdɪs.ɪˈluː.ʒən.mənt/

disillusionment

幻滅
Meaning
A feeling of disappointment resulting from the discovery that something is not as good as one believed it to be.
Example
Many people experience disillusionment after unrealistic expectations.
多くの人々が非現実的な期待の後に幻滅を経験します。
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 verb/adjective /dɪˈdʒɛnəreɪt/

degenerate

堕落する
Meaning
To decline or deteriorate in quality, character, or condition; or someone with low moral standards.
Example
The once thriving empire began to degenerate into chaos.
かつて繁栄していた帝国は混沌に堕ち始めました。
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 /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 adjective /dɪˈpɛndəbl/

dependable

信頼できる
Meaning
able to be trusted or relied on; consistently reliable
Example
She is a dependable colleague who always meets deadlines.
彼女はいつも締め切りを守る信頼できる同僚です。
B1 verb /dɪˈvɛləpɪŋ/

developing

開発
Meaning
the process of growing, improving, or becoming more advanced
Example
She is developing new skills in programming.
彼女はプログラミングで新しいスキルを開発しています。
B1 noun /ˌdɛmənˈstreɪʃən/

demonstration

デモ, 示威
Meaning
the act of showing something clearly, or a public protest
Example
The workers organized a demonstration for better wages.
労働者たちはより良い賃金のためにデモを組織した。
C1 adjective /dɪˈmɒnstrəbl/

demonstrable

証明可能
Meaning
clearly able to be shown or proven
Example
There was demonstrable evidence that he was innocent.
彼が無罪であることを示す証明可能な証拠がありました。
C2 adjective /dɪˈluːsɪv/

delusive

欺瞞的
Meaning
Giving a false or misleading impression; deceptive.
Example
His promises turned out to be delusive and untrustworthy.
彼の約束は欺瞞的で信頼できないことが証明されました。
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 /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。
C2 noun /ˈdɛftnəs/

deftness

巧妙さ
Meaning
Skillfulness and quickness in action or thought.
Example
Her deftness with words impressed the audience.
彼女の言葉の巧妙さは観客を感動させた。
B2 adjective /dɪˈskʌr.ɪ.dʒɪŋ/

Discouraging

落胆させる
Meaning
making someone feel less confident or enthusiastic about doing something
Example
The coach's discouraging words affected the team's morale.
コーチの落胆させる言葉は、チームの士気に影響を与えました。
C2 noun /ˈdɪfθɒŋ/

diphthong

二重母音
Meaning
A complex vowel sound that begins with one vowel and glides into another within the same syllable.
Example
The word 'coin' contains a diphthong.
'コイン'という単語には二重母音が含まれています。
A2 noun dɪˈskrɪpʃən

description

説明
Meaning
A spoken or written account of a person, object, or event.
Example
His description was vivid.
彼の説明は生き生きとしていた。
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。
C2 verb /dɪsˈbɜːrdən/

disburden

負担を軽減する
Meaning
to relieve someone of a burden or load
Example
She disburdened herself of worries by sharing them with her friend.
彼女は心配を友達と共有することで自分を負担から解放した。
C1 noun ˈdɛtrɪ.mənt

detriment

損害、害、障害
Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
喫煙は健康に対するデトリメントです。
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.
C1 adjective /dɪˈreɪndʒd/

deranged

狂気
Meaning
mentally disturbed or insane; behaving irrationally
Example
The deranged man shouted nonsense in the street.
狂った男が街で無意味なことを叫んでいた。
B2 noun daɪˈlem.ə

dilemma

ジレンマ, 困難な選択
Meaning
A situation in which a difficult choice has to be made between two or more alternatives.
Example
She faced a moral dilemma at work.
彼女は職場で道徳的なジレンマに直面していた。
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 verb /dɪˈmɒlɪʃ/

demolish

取り壊す
Meaning
to destroy completely, especially a building or structure
Example
The city decided to demolish the old stadium to build a new one.
その都市は新しいものを作るために古いスタジアムを取り壊すことに決めました。
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 /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。
C1 noun /ˈdɛmənˌstreɪtər/

demonstrator

デモンストレーター, 抗議者
Meaning
a person who shows how something works or takes part in a public protest
Example
The demonstrators marched peacefully through the city streets.
デモ参加者は平和的に街の通りを行進しました。
C2 adjective /dɪˈmɒtɪk/

demotic

一般的な言語に関する
Meaning
relating to ordinary people or everyday language
Example
The poet used demotic language to connect with common readers.
詩人は一般の読者とつながるために一般的な言語に関する言葉を使った。
C2 noun /dɪˈspɔɪlər/

despoiler

略奪者
Meaning
A person who robs, plunders, or violently takes things from others.
Example
The despoilers left the city in ruins.
略奪者たちは街を廃墟にした。
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。
C2 verb /ˌdɪskəmˈbɑːbjuleɪt/

discombobulate

混乱させる
Meaning
to confuse or disconcert; to upset the normal order
Example
The sudden question seemed to discombobulate him.
突然の質問が彼を混乱させたようだ。
B1 verb /ˈdɪfər/

differ

異なる
Meaning
to be unlike or distinct from something else
Example
Opinions differ on this issue.
この問題について意見が異なります。
C2 adjective /ˌdaɪəˈtɒmɪk/

diatomic

二原子
Meaning
Consisting of two atoms.
Example
Oxygen is a diatomic molecule.
酸素は二原子分子です。
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。
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。
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 verb /dɪsˈkloʊz/

disclose

開示する
Meaning
to reveal or make information known; to expose
Example
The company must disclose all financial information.
その会社はすべての財務情報を開示しなければならない。
C1 noun /ˌdɒmɪˈneɪʃən/

domination

支配
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
帝国は隣国に対する支配を求めていた。
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 adjective /dɑːrk bluː/

Dark blue

ダークブルー
Meaning
a deep shade of blue color
Example
She wore a dark blue dress to the party.
彼女はパーティーにダークブルーのドレスを着て行った。
C1 noun /dɪˈten.ʃən/

Detention

停学; 拘留
Meaning
the action of detaining someone or being detained in official custody
Example
The student received detention for repeatedly disrupting the class.
生徒は繰り返しクラスを乱したため、停学を受けました。
B2 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

区別する
Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
事実と意見を区別することは重要です。
B2 noun /diˈoʊ.dər.ənt/

Deodorant

デオドラント
Meaning
a substance that removes or conceals unpleasant smells, especially bodily odors
Example
She applied deodorant before going to the gym to stay fresh during workout.
彼女はジムに行く前に、トレーニング中にさっぱりとした状態を保つためにデオドラントを塗りました。
C1 verb /dɪˈpoʊz/

depose

Meaning
to remove someone from office or power, especially suddenly and forcefully
Example
The rebels managed to depose the dictator after years of unrest.
C2 verb /ˌdɪsɪnˈhɛrɪt/

disinherit

遺産を剥奪する
Meaning
to deprive someone, especially a child, of inheritance or right to property
Example
The father threatened to disinherit his son for his reckless actions.
父親は息子の無謀な行動のために遺産を剥奪すると脅した。
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。
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。
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。