dissonance
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C1 noun /ˈdɪs.ə.nəns/

dissonance

不協和音
Meaning
Disagreement, lack of harmony, conflict between ideas or beliefs.
Example
The cultural dissonance created misunderstandings.
文化的な不協和音が誤解を生んだ。
C2 verb /dɪˈspɒnd/

despond

落ち込む
Meaning
to lose confidence or hope; to become dejected
Example
After repeated failures, he began to despond.
繰り返しの失敗の後、彼は落ち込むようになった。
A2 adjective /dɪˈlɪʃəs/

delicious

幸せ
Meaning
having a very pleasant taste or smell
Example
The cake was so delicious that everyone asked for a second slice.
彼女は賞を受け取ったとき、喜びを隠すことができませんでした。
B2 noun /daɪˈmen.ʃənz/

dimensions

次元
Meaning
Aspects or features of a situation, problem, or thing.
Example
New dimensions of space exploration are being uncovered.
宇宙探査の新しい次元が明らかになっています。
C1 noun /dɪˈspɜːrʒən/

dispersion

分散
Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
風による種子の散布は、植物の繁殖を助けます。
C2 adjective /ˌdaɪəˈkrɪtɪkəl/

diacritical

ダイアクリティカル
Meaning
Relating to a mark added to a letter to indicate a different pronunciation or stress.
Example
The word résumé has diacritical marks that change its meaning from resume.
‘レジュメ’という言葉には、意味を変えるダイアクリティカルマークがあります。
C2 noun /dəˈkɔɪt/

Dacoit

盗賊
Meaning
a member of an armed gang of robbers; a bandit, especially in India and Myanmar
Example
The village was terrorized by a gang of dacoits who robbed travelers.
その村は、旅行者を強盗した強盗団によって恐怖に陥れられました。
B2 noun /dɪˈsper/

Despair

絶望
Meaning
the complete loss or absence of hope; a state of feeling hopeless
Example
After losing his job, he fell into despair and couldn't see any way forward.
仕事を失った後、彼は絶望し、前に進む方法が見えなかった。
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。
C1 noun dɪˈspær.ə.ti

disparity

格差
Meaning
A great difference or inequality.
Example
Disparity between countries must be reduced.
国々の間の格差は減少するべきです。
C1 adjective /ˈdɒɡɪd/

dogged

執拗
Meaning
showing stubborn determination and persistence
Example
She succeeded through dogged determination.
彼女は執拗な決意で成功を収めました。
B2 adjective /dɪˈstrɛst/

distressed

苦しんでいる
Meaning
feeling or showing extreme anxiety, sorrow, or pain
Example
She looked distressed after hearing the bad news.
悪い知らせを聞いた後、彼女は苦しんでいるように見えました。
B2 verb dɪˈtɪəriəreɪt

deteriorate

悪化する
Meaning
To become progressively worse in quality, condition, or performance; to decline.
Example
Unplanned growth can deteriorate living conditions.
計画外の成長は生活環境を悪化させる可能性があります。
C1 adjective /ˌdaɪəˈbɒlɪkəl/

diabolical

悪魔的
Meaning
Wicked, cruel, or outrageously bad; resembling the devil.
Example
The dictator’s diabolical rule brought misery to the nation.
独裁者の悪魔的な支配は国に苦しみをもたらした。
A2 noun /ˈdrɔːər/

drawer

引き出し
Meaning
a box-shaped storage compartment that slides in and out of furniture
Example
She kept her jewelry in the top drawer of the dresser.
彼女はジュエリーをドレッサーの上の引き出しに入れた。
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。
C2 adjective /ˈdɛsɪkeɪtɪd/

desiccated

乾燥した
Meaning
completely dried, having had all moisture removed
Example
The museum displayed desiccated specimens of plants.
博物館は乾燥した植物標本を展示した。
C1 verb /ˈdaʊn.pleɪ/

downplay

軽視する
Meaning
to make something seem less important than it really is
Example
The company tried to downplay the risks of the new product.
会社は新しい製品のリスクを軽視しようとしました。
C2 adjective /dɪˈskrɛpənt/

discrepant

不一致の
Meaning
showing a difference or inconsistency
Example
The witnesses gave discrepant accounts of the incident.
目撃者たちは事件について食い違った証言をしました。
B1 noun /ˈded.laɪn/

Deadline

締め切り;
Meaning
the latest time or date by which something should be completed
Example
The deadline for submitting the project is next Friday.
プロジェクト提出の締め切りは来週の金曜日です。
C1 adjective /ˈdaɪ.si/

dicey

危険な
Meaning
Risky or unpredictable; potentially dangerous.
Example
Investing in that company looks pretty dicey right now.
その会社への投資は今、かなり危険なように見える。
B2 verb /dɪsˈtʃɑːrdʒ/

discharge

退院
Meaning
to release or dismiss from duty; to emit or give off
Example
The hospital will discharge the patient tomorrow.
病院は明日患者を退院させる。
C2 verb /diːˈnæʃənəlaɪz/

denationalize

民営化
Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
政府は民間投資を促進するために銀行を民営化することを決定しました。
A1 noun /deɪ/

Day

日
Meaning
a period of twenty-four hours; the time during which there is light
Example
What a beautiful day it is today with clear blue skies!
今日は青空が広がる美しい日です！
C1 noun /dɪsˈlɛksiə/

dyslexia

ディスレクシア
Meaning
A learning disorder characterized by difficulty reading due to problems identifying speech sounds and decoding words.
Example
The teacher used special methods to help the student with dyslexia.
先生はディスレクシアの学生を助けるために特別な方法を使いました。
C1 verb /ˌdiː.kəmˈprɛs/

decompress

リラックスする
Meaning
To relax and recover from stress or pressure.
Example
Taking deep breaths helps to decompress after a stressful day.
深呼吸は、ストレスの多い一日後にリラックスするのに役立ちます。
C1 adjective /dɪˈvaʊt/

devout

献身的
Meaning
Deeply religious or sincere.
Example
He is a devout believer who prays every day.
彼は毎日祈る献身的な信者です。
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。
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 adjective /dɪˈprɛst/

depressed

落ち込んでいる
Meaning
Feeling very sad and without hope; in a state of unhappiness.
Example
She felt depressed after losing her job.
彼女は仕事を失った後、落ち込んでいました。
C1 noun /ˈderˌdevəl/

daredevil

危険を冒す人
Meaning
A person who enjoys doing dangerous or risky things.
Example
The stunt was performed by a famous daredevil.
そのスタントは有名なデアデビルによって行われました。
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。
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。
A1 noun /dɔːɡ/

Dog

犬
Meaning
a domesticated carnivorous mammal that is typically kept as a pet or for work
Example
The loyal dog waited patiently for its owner to return home.
忠実な犬は、主人が家に帰るのを辛抱強く待っていました。
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。
B2 adjective dɪˈlɪbəreɪt

deliberate

意図的に行われた
Meaning
Done consciously and intentionally; carefully considered.
Example
His deliberate actions showed great care and thoughtfulness.
彼の意図的な行動は、大きな配慮と熟慮を示しました。
C2 noun/verb /dɪsˈfeɪvər/

disfavor

不支持 / 不快
Meaning
disapproval or dislike; to regard with disapproval
Example
The new policy fell into disfavor with the public.
新しい政策は一般の人々の間で不評を買いました。
A1 noun /ˈdrɪŋkɪŋ/

drinking

飲む
Meaning
the act of consuming liquids, especially alcohol
Example
Drinking too much water at once can make you feel bloated.
一度に水を飲みすぎると、膨張感を感じることがあります。
C2 verb /dɪsˈkʌmfɪt/

discomfit

困惑させる
Meaning
to make someone feel uneasy, embarrassed, or confused
Example
The interviewer’s tough questions discomfited the candidate.
インタビュアーの厳しい質問が候補者を困惑させた。
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。
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 /ˈdɑrk.nəs/

Darkness

暗闇; 無知;
Meaning
the partial or total absence of light; wickedness or evil; ignorance or lack of knowledge
Example
The power outage plunged the entire city into darkness.
停電で町全体が暗闇に包まれた。
B2 verb /ˌdɪsəˈpruːv/

disapprove

反対する
Meaning
to have a negative opinion about something; to consider something wrong or bad
Example
Many parents disapprove of smoking.
多くの親は喫煙を反対しています。
C1 noun /dɪˈskrep.ən.si/

discrepancy

不一致, 差異, 矛盾
Meaning
A lack of compatibility or similarity between two or more facts.
Example
The audit revealed a discrepancy between the reported earnings and actual income.
監査は報告された収入と実際の収入との間に不一致があることを明らかにしました。
C2 adjective /dɪsˈpɛptɪk/

dyspeptic

消化不良, イライラした
Meaning
Relating to indigestion or having a gloomy or irritable disposition.
Example
After the heavy meal, he felt dyspeptic and uncomfortable.
重い食事の後、彼は消化不良で不快に感じました。
B1 verb /dɪp/

dip

浸す
Meaning
to put something quickly into a liquid and take it out again
Example
She dipped her bread into the soup.
彼女はパンをスープに浸しました。
B2 adjective /dɪˈsɛndənt/

descendent

下降する
Meaning
Moving downward; going down or descending.
Example
The river followed a descendent course toward the valley.
川は谷に向かって下降するコースをたどった。
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.
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。
B2 verb /dɪsˈkʌrɪdʒ/

discourage

Meaning
to make someone less confident or enthusiastic about doing something
Example
Failure should not discourage you from trying again.
A2 noun /ˈdaɪnɪŋ/

dining

食事
Meaning
the act of eating a meal, especially in a formal setting
Example
We enjoyed fine dining at the new restaurant.
私たちは新しいレストランで素晴らしい食事を楽しみました。
C2 verb /dɪˈkleɪm/

declaim

Meaning
to speak aloud in a formal, passionate, or theatrical way
Example
The actor declaimed his lines with great intensity.
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。
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。
C2 adjective /dæŋk/

dank

湿っていて寒い
Meaning
unpleasantly damp and cold
Example
The basement was dark and dank, filled with a musty smell.
地下室は暗くて湿っていて、悪臭が充満していました。
C1 adjective deft

deft

器用
Meaning
Neatly skillful and quick in one's movements; dexterous and adroit.
Example
The artist's deft hands created a masterpiece.
アーティストの器用な手は傑作を作り出しました。
C1 noun /ˈdɪɡnɪˌtɛri/

dignitary

重要人物
Meaning
a person considered to be important because of high rank or office
Example
Several foreign dignitaries attended the state banquet.
数人の外国の重要人物が国の晩餐会に出席しました。
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。
C1 adjective /dɪˈpreɪvd/

depraved

堕落した
Meaning
morally corrupt or wicked
Example
The film depicts the life of a depraved criminal.
その映画は堕落した犯罪者の人生を描いています。
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。
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。
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。
C2 verb /dɪˈlæpɪdeɪt/

dilapidate

荒廃する
Meaning
To cause something, especially a building, to fall into ruin or disrepair.
Example
The abandoned house began to dilapidate over the years.
廃墟になった家は年月を経て崩壊し始めました。
B1 adverb /ˈdiːp.li/

Deeply

深く; 強く; 深く
Meaning
to a great depth; intensely; profoundly
Example
She breathed deeply before making her decision.
彼女は決断を下す前に深く息を吸いました。
B2 noun /dɪsˈpoʊzl/

disposal

廃棄
Meaning
the action or process of getting rid of something
Example
The disposal of waste is crucial for maintaining a clean environment.
廃棄物の処理は清潔な環境を維持するために重要です。
C1 verb /dɪˈɡreɪd/

degrade

Meaning
To lower in dignity, quality, or value; to treat with disrespect or to deteriorate.
Example
Harsh words can degrade a person's confidence.
C1 adjective /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

衰弱させる
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
その病気は彼の健康に衰弱をもたらした。
C2 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

教条主義者
Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
彼の教条主義的な政治アプローチは、多くの支持者を遠ざけた。
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。
C1 verb /dɪsˈkʌlər/

discolor

色あせる
Meaning
to change color, especially in a way that spoils the original appearance
Example
The fabric began to discolor after being left in the sun.
生地は太陽の下に置かれてから色が変わり始めました。
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。
A2 noun /dʌk/

Duck

アヒル
Meaning
a waterbird with webbed feet and a broad flat bill
Example
The duck swam gracefully across the lake.
そのカモは湖を優雅に泳いでいました。
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。
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。
B2 verb, noun /dɒn/

don

着る / リーダー
Meaning
to put on (an article of clothing); also used as a title for a respected person
Example
She donned her coat before leaving.
彼女は出かける前にコートを着た。
B2 noun /ˌdɪsɪnˈfɛktənt/

disinfectant

消毒剤
Meaning
a chemical substance used to kill harmful microorganisms on surfaces
Example
The cleaner sprayed disinfectant on the table.
清掃員はテーブルに消毒剤を噴霧しました。
C1 verb /dɪˈsɛnt/

dissent

Meaning
To hold or express opinions that are different from those officially accepted.
Example
Several members dissented from the majority decision.
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。
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。
C1 verb /dɪˈzɪst/

desist

Meaning
to stop doing something, especially an action considered wrong or undesirable
Example
The judge ordered the company to desist from unfair practices.
B2 verb, noun /dɑːrt/

dart

ダート/急に走る
Meaning
to move suddenly and quickly; a small pointed missile thrown at a target
Example
The cat darted across the street to avoid the car.
猫は車を避けるために急いで道路を横切りました。
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.
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。
C1 adjective /dɪˈspɪrɪtɪd/

dispirited

落胆した
Meaning
Having lost enthusiasm, hope, or confidence; dejected.
Example
After losing the match, the team looked dispirited.
試合に負けた後、チームは落胆して見えた。
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。
B1 adjective /dɪsˈɒnəst/

Dishonest

不正直な; 詐欺的な; ごまかしの
Meaning
not honest; fraudulent; deceitful
Example
The dishonest salesman tried to sell them a broken car.
その不正直な販売員は、壊れた車を売ろうとした。
A2 adjective /ˈdeɪndʒərəs/

dangerous

危険
Meaning
likely to cause harm or injury; unsafe
Example
Driving fast on icy roads is dangerous.
氷の道路で速く運転するのは危険です。
C2 adjective /ˈdaʊti/

doughty

勇敢な
Meaning
brave, valiant, courageous
Example
The doughty soldier never backed down from a challenge.
勇敢な兵士は挑戦から決して後退しなかった。
A2 adjective /duː/

Due

期日; 予想される; 計画された
Meaning
owed as a debt; expected at a certain time; scheduled
Example
The assignment is due tomorrow.
課題は明日締め切りです。
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。
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 verb /dɪˈstɪŋɡwɪʃ/

distinguish

区別する
Meaning
to recognize or show the differences between two or more things; to set apart as different
Example
It can be difficult to distinguish between truth and rumor.
真実と噂を区別するのは難しいかもしれません。
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。
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。
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 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 /dræb/

drab

地味な
Meaning
Dull, lacking brightness or interest; monotonous.
Example
The room looked drab with its gray walls and dim lighting.
灰色の壁と薄暗い照明でその部屋は地味に見えた。
B2 noun /dɪsˈɔːrdər/

disorder

障害
Meaning
A state of confusion or lack of order; also a medical or mental condition.
Example
The protest ended in disorder when the crowd became violent.
抗議は群衆が暴力的になったときに障害に終わった。
C2 noun /drʌdʒ/

drudge

働き者
Meaning
A person made to do hard, menial, or dull work.
Example
He felt like a drudge, stuck in repetitive tasks all day.
彼は一日中、繰り返しの仕事に縛られている働き者のように感じていた。
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 adjective /dɪˈvɔːrst/

divorced

離婚した
Meaning
No longer married because the marriage has been legally dissolved.
Example
She has been divorced for five years.
彼女は5年間離婚したままだ。
B2 verb/noun /ˌdɪsrɪˈɡɑːrd/

disregard

軽蔑
Meaning
To ignore something; lack of consideration or respect for something.
Example
He disregarded the warning signs and kept driving.
彼は警告のサインを無視して運転し続けました。
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 /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。
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。
C1 verb /dɪˈsɛm.ɪ.neɪt/

disseminate

普及する
Meaning
To spread or give out something, especially news, information, ideas, etc., to a lot of people.
Example
Social media helps to disseminate information quickly.
ソーシャルメディアは情報を迅速に普及するのに役立ちます。
C2 noun /dɜːrdʒ/

dirge

哀歌
Meaning
A mournful song, piece of music, or poem expressing grief, often for the dead.
Example
The choir sang a solemn dirge at the funeral.
コーラスは葬式で厳粛な哀歌を歌いました。
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。
C2 verb /dɪˈdʒɛkt/

deject

落胆させる
Meaning
to make someone feel sad, depressed, or dispirited
Example
The news of his failure seemed to deject him deeply.
彼の失敗のニュースは彼を深く落胆させたようだ。
C1 verb ˈdwɪn.dl

dwindle

減少する
Meaning
To diminish gradually in size, amount, or strength; to become progressively smaller.
Example
His savings dwindled due to unexpected expenses.
予期しない支出のため、彼の貯金は減少しました。
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 noun /ˈdɪdʒɪt/

digit

Meaning
a numeral from 0 to 9; also a finger or toe
Example
You must enter a four-digit code to unlock the phone.
B1 noun ˈdɪdʒ.ɪ.təl tuːlz

digital tools

デジタルツール
Meaning
Electronic software and applications used for learning and educational purposes.
Example
Schools are integrating digital tools to enhance learning.
学校は学習を強化するためにデジタルツールを統合しています。
C2 noun /ˌdoʊ.məˈstɪs.ə.ti/

domesticity

家庭生活
Meaning
Life at home or devotion to family life.
Example
She enjoys the domesticity of cooking and gardening.
彼女は料理とガーデニングの家庭生活を楽しんでいます。
C2 verb /dɪˈmɜːr/

demur

異議を唱える
Meaning
to raise doubts, objections, or show reluctance
Example
She agreed to help without demur.
彼女は異議なく手伝うことに同意しました。
A2 noun /ˈdɪʃ ˌwɒʃər/

Dish washer

食器洗い機
Meaning
an appliance for washing dishes automatically
Example
We installed a new dishwasher in our kitchen last week.
先週、私たちはキッチンに新しい食器洗い機を設置しました。
A2 noun /daʊt/

Doubt

疑い; 不信; 疑念
Meaning
a feeling of uncertainty or lack of conviction; distrust or suspicion
Example
There was no doubt in her mind that she had made the right decision.
彼女は自分が正しい決断を下したことに疑いを持っていなかった。
C1 noun ˈdɪskɔrd

discord

不和
Meaning
Disagreement or conflict between people or ideas.
Example
Discord among people disrupts societal stability.
人々の間の不和は社会の安定を乱す。
C2 adjective /daɪˈɡrɛsɪv/

digressive

主題から外れる傾向
Meaning
Tending to depart from the main subject in speech or writing.
Example
The speaker's digressive style made the lecture difficult to follow.
話者のダイグレッシブなスタイルは講義を追いかけるのを難しくした。
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 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。