domineer
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C2 verb /ˌdɒmɪˈnɪə/

domineer

支配する
Meaning
to assert one's will over another in an arrogant way
Example
He tends to domineer over his younger colleagues.
彼は若い同僚に対して支配的な態度を取ることが多い。
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 adjective /dɪˈfɪnɪtɪv/

definitive

決定的
Meaning
serving as a final or most authoritative form; conclusive and decisive
Example
The committee reached a definitive agreement on the policy.
委員会は政策に関する決定的な合意に達しました。
C2 adjective /ˈdɪsəluːt/

dissolute

放蕩
Meaning
lacking moral restraint; indulging excessively in sensual pleasures
Example
He led a dissolute life filled with parties and gambling.
彼はパーティーとギャンブルで満ちた放蕩の生活を送った。
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 /dɪˌskrɪm.ɪˈneɪ.ʃən/

Discrimination

差別; 不公平な扱い; 偏見
Meaning
the unjust or prejudicial treatment of different categories of people; recognition of difference
Example
The company was sued for racial discrimination in their hiring practices.
その企業は採用における人種差別で訴えられました。
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 verb /dɔːb/

daub

塗る
Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
子供たちは壁にペンキを塗り広げました。
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 noun /dɪˈsɪstəns/

desistance

停止
Meaning
The act of stopping or ceasing from some action or behavior.
Example
The court urged his desistance from further unlawful activities.
裁判所は彼にさらなる違法行為から停止するよう促しました。
B2 adjective /dɪˈvoʊtɪd/

devoted

献身的
Meaning
Very loving, loyal, or dedicated.
Example
She is a devoted mother who always puts her children first.
彼女は常に子供たちを最優先にする献身的な母親です。
C1 verb /daɪˈleɪt/

dilate

拡大する
Meaning
To make wider, larger, or more open.
Example
The doctor used drops to dilate the patient's pupils.
医者は患者の瞳孔を拡げるために点眼薬を使いました。
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 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 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。
C1 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

劣化
Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
不十分なメンテナンスは材料の劣化を引き起こす。
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。
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 /dɪˈraɪd/

deride

嘲笑する
Meaning
to mock or ridicule someone or something
Example
The critics derided the new movie for its poor script.
批評家たちはその新しい映画を悪い脚本のせいで嘲笑した。
C2 noun /dɪˈsɛmbələr/

dissembler

偽善者
Meaning
a person who conceals their real feelings or intentions; a hypocrite or pretender
Example
The politician was accused of being a dissembler who never revealed his true plans.
その政治家は、自分の本当の計画を決して明かさなかった偽善者だと非難された。
B2 adjective /dɪsˈɡʌstɪd/

disgusted

嫌悪している
Meaning
feeling a strong sense of dislike or revulsion
Example
She was disgusted by the way he treated the animals.
彼女は彼が動物に接する方法に嫌悪感を抱いた。
C2 noun /ˈdɛsɪkənt/

desiccant

乾燥剤
Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
シリカゲルのパケットは、パッケージングで乾燥剤として一般的に使用されます。
C1 adjective /ˈdjuːbiəs/

dubious

疑わしい
Meaning
Hesitating or doubting; not to be relied upon.
Example
She gave him a dubious look after hearing his excuse.
彼女は彼の言い訳を聞いた後、疑わしい目で彼を見ました。
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 verb /dɪsˈtɜːb/

disturb

邪魔する
Meaning
to interrupt or cause someone to stop what they are doing
Example
Please don’t disturb me while I’m studying.
勉強している間に私を邪魔しないでください。
C1 noun /ˈdjuːplɛks/

duplex

デュプレックスハウス
Meaning
A house or apartment divided into two separate residences.
Example
They live in a duplex near the city center.
彼らは市の中心近くのデュプレックスに住んでいます。
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 verb /dɪsˈeɪbl/

disable

無効にする
Meaning
to make something unable to function or operate
Example
The technician disabled the alarm system temporarily.
技術者はアラームシステムを一時的に無効にしました。
B2 verb /dɪˈtætʃ/

detach

分離する
Meaning
to separate or remove something from something else
Example
She detached the page from the notebook.
彼女はノートからページを切り離しました。
C1 noun ˌdɛɡrəˈdeɪʃən

degradation

劣化
Meaning
The condition or process of degrading or being degraded.
Example
Soil degradation due to overuse is a growing issue.
過剰な使用による土壌の劣化は、増大する問題です。
C2 noun /ˈdeɪ.ɪs/

Dais

演壇
Meaning
a raised platform, typically at one end of a room or hall, for speakers or honored guests
Example
The principal stood on the dais to address the entire school assembly.
校長は演壇に立ち、全校集会に話しかけました。
B2 verb /dɒdʒ/

dodge

避ける
Meaning
to move quickly to one side to avoid something; to avoid dealing with something cleverly or dishonestly
Example
The boxer managed to dodge his opponent's punch.
ボクサーは相手のパンチをかわすことに成功した。
B2 noun/verb /dɪˈspjuːt/

dispute

争い, 論争
Meaning
a disagreement or argument about something important
Example
The two countries are in dispute over the border issue.
二国間で国境問題について争いが続いています。
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。
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。
B1 adverb /ˈdef.ɪ.nət.li/

Definitely

間違いなく
Meaning
without doubt; certainly; clearly
Example
I will definitely attend the meeting tomorrow.
私は明日のミーティングに必ず出席します。
C1 verb /dɪˈplɔːr/

deplore

非難する
Meaning
to feel or express strong disapproval of something; to regret deeply
Example
Many people deplore the violence shown on television.
多くの人々はテレビで示された暴力を非難しています。
C1 noun /ˌdɛməˈlɪʃən/

demolition

解体
Meaning
the act or process of destroying a building or structure
Example
The demolition of the old factory took several weeks.
古い工場の解体には数週間かかりました。
B2 adjective /dɪˈskriːt/

discreet

慎重な
Meaning
careful and prudent in one's speech or actions, especially to keep something confidential or avoid embarrassment
Example
She was discreet about the details of their conversation.
彼女は彼らの会話の詳細について慎重でした。
C2 verb /dɪˈskraɪ/

descry

遠くで見る
Meaning
to catch sight of something, especially something distant or obscure
Example
From the hilltop, they descried a small village in the distance.
丘の頂上から、彼らは遠くの小さな村を見た。
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。
B1 noun dɪˈfens

defense

防御
Meaning
The action of defending from or resisting attack; protection from harm or danger.
Example
Defense was one of the central subjects.
防御は主要なテーマの一つだった。
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。
B2 verb /dɪˈfɜːr/

defer

延期する
Meaning
To postpone or delay; to yield to someone else's judgment or opinion.
Example
The meeting was deferred until next week.
会議は来週まで延期されました。
A2 noun /ˈden.tɪst/

Dentist

歯医者
Meaning
a medical professional who treats teeth and oral health
Example
I need to visit the dentist for a regular checkup.
定期検診のために歯医者に行かなければなりません。
C1 verb /dɪsˈpærɪdʒ/

disparage

Meaning
to criticize someone or something in a way that shows a lack of respect
Example
It is unfair to disparage people for their opinions.
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。
C2 noun /ˈdɛkəˌɡræm/

decagram

デカグラム
Meaning
A metric unit of mass equal to ten grams.
Example
The package weighed exactly one decagram.
そのパッケージはちょうど1デカグラムの重さでした。
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。
C2 verb /dɪsˈpɔːrt/

disport

楽しむ
Meaning
To amuse oneself in a lively or playful way.
Example
The children disported themselves in the garden.
子供たちは庭で楽しんでいました。
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。
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.
B1 verb /dɪˈliːt/

delete

Meaning
to remove or erase something, especially written or recorded information
Example
He accidentally deleted all the files from his computer.
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。
C1 adjective /dɪˈsɪd.ju.əs/

deciduous

落葉樹
Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
オークとカエデの木は落葉樹で、秋に葉を落とします。
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 verb /ˈdɒmɪneɪt/

dominate

支配する
Meaning
to have power or control over something or someone
Example
The company dominates the smartphone market.
その会社はスマートフォン市場を支配しています。
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。
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

表現的な
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
彼女は友達に対してとても表現的だった。
B2 noun /ˈdɛltə/

delta

デルタ
Meaning
A landform at the mouth of a river where it splits into several outlets.
Example
The Nile Delta is one of the most fertile regions in Egypt.
ナイル川デルタはエジプトで最も肥沃な地域の1つです。
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 verb /dɪˈtɛst/

detest

嫌う
Meaning
To dislike intensely or hate.
Example
I detest waking up early on weekends.
私は週末に早起きするのが嫌いです。
B2 verb /dɪˈvoʊt/

devote

捧げる
Meaning
to give time, effort, or resources to something
Example
She devotes much of her time to helping the poor.
彼女は貧しい人々を助けるために多くの時間を捧げています。
B2 noun /dɪˈpen.dəns/

Dependence

依存
Meaning
the state of relying on or needing someone or something for support; addiction
Example
His dependence on technology made it difficult for him to work without internet.
テクノロジーへの依存がインターネットなしでは仕事を困難にした。
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

不満な
Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
改革は不満な若者を落ち着かせるために導入されました。
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。
B2 adjective /ˈdæmɪdʒɪŋ/

damaging

Meaning
causing harm or injury
Example
The storm caused damaging effects to the crops.
B1 noun /ˈdez.ət/

Desert

砂漠
Meaning
a barren area of landscape with little precipitation; an arid region with sparse vegetation
Example
The Sahara Desert is one of the largest hot deserts in the world.
サハラ砂漠は世界で最も大きな熱砂漠の一つです。
B2 noun /ˈdɪpləmæt/

diplomat

外交官
Meaning
An official representing a country abroad; a person skilled in dealing with people tactfully.
Example
The diplomat negotiated a peace agreement.
外交官は平和協定の交渉を行いました。
C1 adjective /dɪˈsiːtfəl/

deceitful

欺瞞的な
Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
彼女は真実を隠すために欺瞞的な答えを出しました。
B1 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 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。
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.
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 /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。
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
C2 noun /dɪˈstɛnʃən/

distention

膨張
Meaning
The state of being swollen due to internal pressure.
Example
The patient complained of abdominal pain and distention.
患者は腹痛と膨張感を訴えました。
C1 noun /ˌdiːˈmer.ɪt/

Demerit

欠点; 不利; 過ちや違反に対して与えられるマーク
Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
その生徒は繰り返し遅刻したため、デメリットを受けました。
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。
B2 adverb /drəˈmætɪkli/

dramatically

劇的に
Meaning
in a sudden, striking, or exaggerated way
Example
Sales increased dramatically after the campaign.
キャンペーン後、売上は劇的に増加しました。
B2 noun /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning
The identification of a disease, condition, or problem through examination of symptoms.
Example
The diagnosis confirmed that she had diabetes.
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 /ˈdɛdlɒk/

deadlock

行き詰まり
Meaning
a situation in which progress is impossible because of disagreement
Example
Negotiations reached a deadlock after neither side agreed to compromise.
交渉は双方が妥協に同意しなかったため行き詰まりました。
B1 verb /dɪˈfaɪn/

define

定義する
Meaning
to explain the meaning of a word, phrase, or concept clearly
Example
The teacher asked the student to define the word 'democracy'.
先生は生徒に『民主主義』という言葉を定義するように頼んだ。
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。
B1 adjective /ˈdiː.teɪld/

detailed

詳細
Meaning
Having many details; very thorough.
Example
The report provided a detailed analysis of the situation.
報告書は状況の詳細な分析を提供しました。
C2 noun /ˈdoʊtɪdʒ/

dotage

老年
Meaning
The period of old age, especially when one is weak or senile.
Example
He spent his dotage reminiscing about his youth.
彼は晩年を若い頃を思い出して過ごしました。
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 adjective /ˈdestatəʊt/

Destitute

困窮した; 貧しい; 財産もお金もない
Meaning
extremely poor; without money or possessions
Example
Many families became destitute after the economic collapse.
経済崩壊後、多くの家族は困窮しました。
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。
B1 noun ˌdemənˈstreɪʃənz

demonstrations

デモンストレーション
Meaning
The action or process of showing the existence or truth of something by giving proof or evidence.
Example
Demonstrations occurred on March 11.
デモンストレーションは3月11日に行われました。
C1 noun daɪˈkɒtəmi

dichotomy

二項対立
Meaning
A division or contrast between two things that are or are represented as being opposed or entirely different.
Example
The dichotomy between tradition and modernity is often debated.
伝統と現代の二分法はよく議論されます。
C1 adjective /dɪˈstrɔːt/

distraught

動揺した
Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
ペットを失った後、彼女は動揺していた。
B2 noun /dɪˈtɜːrdʒənt/

detergent

洗剤
Meaning
a substance used for cleaning, especially for washing clothes and dishes
Example
She bought a new brand of detergent for laundry.
彼女は洗濯のために新しいブランドの洗剤を買いました。
C1 adjective /ˈdɔːr.mənt/

Dormant

非アクティブ; 眠っている; 一時的に保留された; 現在アクティブではない
Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
火山は1世紀以上の間休眠状態です。
C2 verb /dɪsˈɡɔːrdʒ/

disgorge

嘔吐, 排出
Meaning
to discharge or pour out; to vomit; to give up reluctantly
Example
The broken pipe disgorged water all over the floor.
壊れたパイプが床全体に水を吐き出しました。
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。
B2 verb /dɪˈsiːv/

deceive

騙す
Meaning
To cause someone to believe something that is not true.
Example
He tried to deceive his friends with a fake story.
彼は嘘の話で友達を騙そうとした。
C1 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

裁量の
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
彼は旅行のためにいくらかの裁量所得を取っておいた。
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。
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。
C1 verb /dɪsˈɑːrm/

disarm

武装解除する
Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
兵士たちは反乱者の武装を解除するよう命じられた。
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。
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 /dɪsˈsɪmɪlər/

dissimilar

異なる
Meaning
Not alike; different.
Example
Though they are twins, their personalities are dissimilar.
彼らは双子だが、性格は異なる。
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。
B2 verb /drɪft/

drift

漂う
Meaning
to move slowly, especially by air or water currents
Example
The boat began to drift away from the shore.
ボートは岸から離れ始めた。
B1 verb/noun /ˈdiːkriːs/ (noun), /dɪˈkriːs/ (verb)

decrease

Meaning
To become or make something smaller or fewer in number, amount, or degree.
Example
The population of the town has decreased over the years.
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。
B2 verb /dɪˈplɔɪ/

deploy

展開する
Meaning
to position strategically; to use effectively
Example
The military will deploy troops to the border.
軍隊は国境に部隊を配備する。
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 ˌdjʊə.rəˈbɪl.ə.ti

durability

耐久性
Meaning
The ability to withstand wear, pressure, or damage; hard-wearing.
Example
The durability of materials affects performance.
素材の耐久性はパフォーマンスに影響を与えます。
C2 adjective /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 noun /dɪˈdʒɛnərəsi/

degeneracy

退化
Meaning
The state of decline or deterioration, often in moral, cultural, or physical qualities.
Example
The novel portrays the moral degeneracy of a corrupt society.
その小説は腐敗した社会の道徳的退化を描いています。
C2 adjective /ˈdɛndrɔɪd/

dendroid

樹状の
Meaning
tree-shaped or branching like a tree
Example
The coral has a dendroid structure.
サンゴはデンドロイド構造を持っています。
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 adjective /dɪˈrɒɡətɪv/

derogative

侮辱的
Meaning
Expressing a low opinion or showing lack of respect.
Example
He made a derogative remark about her work.
彼は彼女の仕事について侮辱的な発言をした。
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。
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。
C2 adjective /daɪˈæfənəs/

diaphanous

透けている
Meaning
Light, delicate, and translucent.
Example
She wore a diaphanous dress that shimmered in the sunlight.
彼女は太陽の光の中で輝く透けているドレスを着ていた。
C1 noun ˌdep.əˈzɪʃ.ən

deposition

堆積、何かを堆積させるプロセス
Meaning
The action of depositing something; the laying down of matter by a natural process.
Example
River deposition leads to the formation of new landmasses.
河川の堆積は新しい大陸の形成をもたらします。