desperately
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
B2 adverb /ˈdɛspərətli/

desperately

必死に
Meaning
in a way that shows despair or great need
Example
He called for help desperately after the accident.
事故後、彼は必死に助けを求めた。
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 /dɪsˈɡʌst/

Disgust

嫌悪
Meaning
a feeling of revulsion or strong disapproval aroused by something unpleasant
Example
She expressed her disgust at the politician's corrupt behavior openly.
彼女は政治家の腐敗行為に対する嫌悪を公然と表現しました。
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。
B2 noun /ˈdrɔː.bæk/

Drawback

欠点; 不利な点; 問題
Meaning
a feature that renders something less acceptable; a disadvantage or problem
Example
The main drawback of living in the city is the high cost of housing.
都市での生活の主な欠点は高い住宅費です。
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。
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。
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 noun /dɪˈkeɪ/

Decay

腐敗; 分解; 老化
Meaning
the process of rotting or decomposing; gradual decline or deterioration
Example
The old building showed signs of decay after years of neglect.
その古い建物は長年の無視の後、腐敗の兆しを示していた。
B2 noun /dɪsˈmɪsl̩/

dismissal

解雇, 拒否
Meaning
the act of removing someone from their job; the act of treating something as unimportant
Example
His unfair dismissal led to a lawsuit against the company.
彼の不当な解雇は、会社に対する訴訟を引き起こしました。
B2 verb /dʌmp/

dump

何かを無駄に捨てるまたは放置する
Meaning
to drop or dispose of something carelessly; to end a relationship suddenly
Example
He dumped all the trash into the bin.
彼はゴミをすべてゴミ箱に捨てた。
B2 noun /ˌdaɪəˈbiːtiːz/

diabetes

幸福
Meaning
a medical condition in which the body cannot properly control the level of sugar in the blood
Example
He was diagnosed with type 2 diabetes last year.
彼女は賞を受け取ったとき、幸せを隠せませんでした。
B2 adjective daɪˈdʒes.tɪv

digestive

消化の
Meaning
Relating to the digestion of food.
Example
Digestive enzymes help break down food.
消化酵素は食べ物を分解するのを助けます。
B2 noun /dɪˈtɛkʃən/

detection

検出
Meaning
the action or process of identifying the presence of something
Example
The detection of fraud in the system was swift.
システム内での詐欺の検出は迅速でした。
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。
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。
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
B2 noun /ˈdɔː.weɪ/

doorway

ドアの入口
Meaning
the space where a door opens into a room or building
Example
She stood in the doorway waiting for him to arrive.
彼女はドアの入口に立って、彼が来るのを待っていました。
B2 adjective /dɪˈsaɪsɪv/

decisive

決定的
Meaning
Having the ability to make decisions quickly and effectively; determining the outcome.
Example
Her decisive action saved the company from collapse.
彼女の決定的な行動が会社を崩壊から救った。
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。
B2 noun /ˌdɪsəˈpruːvəl/

disapproval

不賛成
Meaning
The expression of an unfavorable opinion or judgment
Example
Her parents showed clear disapproval of her decision to drop out of college.
彼女の両親は、大学を中退するという彼女の決定に明確な不賛成を示した。
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。
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。
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。
B2 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
B2 adjective /ˈdɒm.ɪ.nənt/

Dominant

支配的な; 影響力のある; 最も重要な
Meaning
controlling, influencing, or prevailing over others; most important or powerful
Example
The dominant player controlled the entire basketball game.
支配的な選手はバスケットボールの試合を完全に支配しました。
B2 noun /ˌdɪs.əˈbɪl.ə.ti/

Disability

障害
Meaning
a physical or mental condition that limits a person's movements, senses, or activities
Example
Despite his physical disability, he became a successful athlete in wheelchair racing.
身体的な障害にもかかわらず、彼は車椅子レースで成功したアスリートになりました。
B2 adjective /daɪˈnæm.ɪk/

dynamic

ダイナミック
Meaning
Characterized by constant change, activity, or progress.
Example
Life flows in a dynamic stream.
人生はダイナミックな流れの中で流れています。
B2 noun /dɛk/

deck

デッキ / プラットフォーム
Meaning
A flat surface or platform, often on a ship or building.
Example
We enjoyed the sunset from the upper deck of the ferry.
私たちはフェリーの上デッキから夕日を楽しみました。
B2 adjective /ˈded.li/

Deadly

致命的な; 死亡の; 危険な
Meaning
causing or able to cause death; extremely dangerous; lethal
Example
The deadly poison killed the plant instantly.
致命的な毒はその植物を瞬時に殺しました。
B2 noun /dɪsˈrʌp.ʃən/

disruption

混乱
Meaning
Barrier or interruption, sudden disturbance in any process or service.
Example
The road construction caused major disruption in traffic flow.
道路建設は交通の流れに大きな混乱を引き起こしました。
B2 noun draʊt

drought

干ばつ
Meaning
A prolonged period of abnormally low rainfall; a shortage of water.
Example
Drought impacts crop growth significantly.
干ばつは作物の成長に大きな影響を与えます。
B2 adjective /ˈduː.əl/

Dual

二重の
Meaning
having two parts or consisting of two elements; double
Example
She has dual citizenship of both countries.
彼女は二つの国の二重国籍を持っています。
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.
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。
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。
B2 verb /ˈdɛzɪɡneɪt/

designate

指名する
Meaning
to officially assign, appoint, or indicate something or someone
Example
The committee will designate a new chairperson next week.
委員会は来週、新しい会長を指名する予定です。
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 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 adjective /ˈdɛntəl/

dental

歯科の
Meaning
relating to teeth or dentistry
Example
She goes for a dental checkup every six months.
彼女は6か月ごとに歯科検診を受けます。
B2 noun /ˌdɪsəˈɡriːmənt/

disagreement

不一致
Meaning
a failure to agree or a difference in opinion
Example
Their disagreement on the issue caused a delay in the project.
その問題に対する彼らの不一致はプロジェクトの遅延を引き起こしました。
B2 verb /dɪˈpɪkt/

depict

Meaning
to represent or show something in a picture, story, or other art form
Example
The painting depicts a beautiful sunset over the sea.
B2 noun /dɪsˈkʌmfərt/

discomfort

不快感
Meaning
A feeling of slight pain, unease, or awkwardness.
Example
She shifted in her chair due to discomfort in her back.
彼女は背中の不快感のために椅子で動きました。
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。
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。
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。
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。
B2 verb /dɪˈnaʊns/

denounce

非難する
Meaning
To publicly declare something to be wrong, evil, or condemn strongly.
Example
The leader denounced corruption in his speech.
リーダーはスピーチで汚職を非難しました。
B2 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, verb /ˈdɪskɔːrs/

discourse

談話, 講義
Meaning
Written or spoken communication or debate.
Example
The professor gave a discourse on ancient philosophy.
教授は古代哲学についての講義を行った。
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 noun /doʊs/

dose

用量
Meaning
a measured amount of a medicine or drug taken at one time
Example
The doctor prescribed one dose of the medicine every six hours.
医者は6時間ごとに1回薬のドーズを処方しました。
B2 adjective /ˈdespərət/

Desperate

絶望的
Meaning
reckless; extremely urgent; critical
Example
The situation became desperate as water supplies ran out.
水の供給が尽きたとき、状況は絶望的になった。
B2 noun ˌdiː.fɒr.ɪˈsteɪ.ʃən

deforestation

森林伐採
Meaning
The action of clearing a wide area of trees; the permanent destruction of forests in order to make the land available for other uses.
Example
Deforestation accelerates the loss of biodiversity.
森林伐採は生物多様性の喪失を加速させます。
B2 noun /ˌdel.ɪˈɡeɪ.ʃən/

delegation

代表団
Meaning
A group of people chosen to represent others in negotiations or discussions.
Example
The delegation presented their country's agenda.
代表団は自国の議題を提示しました。
B2 noun /ˈdɛnɪmz/

denims

デニムのパンツ
Meaning
pants or clothes made from denim fabric, usually jeans
Example
He wore blue denims with a white shirt.
彼は白いシャツと青いデニムを履いていた。
B2 noun /daɪˈnæmɪks/

dynamics

ダイナミクス
Meaning
the forces or properties that stimulate growth, development, or change within a system or process
Example
The dynamics of the team changed after the new manager joined.
新しいマネージャーが参加した後、チームのダイナミクスは変化しました。
B2 adjective /dɪˈstrʌktɪv/

Destructive

破壊的な
Meaning
causing damage; harmful
Example
The hurricane was highly destructive to coastal areas.
ハリケーンは沿岸地域に非常に破壊的でした。
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。
B2 noun /diːp siː/

deep sea

深海
Meaning
The deep parts of the sea or ocean, typically beyond the continental shelf.
Example
Many deep-sea creatures produce bioluminescence for survival.
多くの深海生物は生存のために生物発光を生成します。
B2 verb dɪsˈrʌpt

disrupt

破壊する
Meaning
To interrupt or disturb the normal progress or activity of something.
Example
Individual pursuits disrupt social harmony.
個々の追求は社会的調和を破壊します。
B2 noun /ˈdreɪ.nɪdʒ/

drainage

排水
Meaning
the system or process by which water or other liquids are drained away
Example
Poor drainage caused flooding in the neighborhood.
悪い排水システムが近所での洪水を引き起こしました。
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。
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 /ˈdɛdɪkeɪt/

dedicate

捧げる
Meaning
to devote time, effort, or oneself to a particular purpose or person
Example
She dedicated her life to helping the poor.
彼女は貧しい人々を助けるために自分の人生を捧げました。
B2 adjective /ˈdræs.tɪk/

Drastic

劇的な; 厳しい; 強い影響を与える
Meaning
extreme; severe; having a strong or far-reaching effect
Example
The company took drastic measures to reduce costs.
会社はコスト削減のために劇的な措置を取った。
B2 noun ˌdedɪˈkeɪʃn

dedication

献身
Meaning
The quality of being dedicated or committed to a task or purpose; devotion.
Example
His dedication laid the foundation of Indian science.
彼の献身はインディアの科学の基盤を築いた。
B2 noun, verb /ˈdeɪ.bjuː/

debut

デビュー
Meaning
The first public appearance or performance of someone or something.
Example
The young actor made his debut on the big stage.
若い俳優は大きな舞台でデビューを果たした。
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。
B2 noun /ˌdɒkjʊmɛnˈteɪʃən/

documentation

ドキュメンテーション
Meaning
material that provides official information or evidence
Example
The documentation for the project is available for review.
プロジェクトのドキュメンテーションはレビューのために利用可能です。
B2 verb dɪˈtɪrɪəˌreɪts

deteriorates

悪化する
Meaning
To become progressively worse; to decline in quality, condition, or strength.
Example
The quality of air deteriorates due to pollution.
汚染によって大気の質が悪化する。
B2 verb /dreɪn/

drain

Meaning
to cause liquid to flow away from something; to remove liquid
Example
He drained the pasta before adding the sauce.
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 noun /ˌdiː.haɪˈdreɪʃən/

dehydration

脱水症
Meaning
A condition in which the body or tissue lacks adequate water content.
Example
Dehydration can lead to fatigue and confusion.
脱水は疲労と混乱を引き起こす可能性があります。
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。
B2 noun /ˈdoʊnər/

donor

ドナー
Meaning
A person who gives something, especially to a charity or cause.
Example
The donor contributed generously to the hospital’s new wing.
ドナーは病院の新しい翼に寛大に寄付しました。
B2 noun /dəˈmeɪn/

domain

領域
Meaning
An area of knowledge, activity, or territory over which control is exercised.
Example
Mathematics is her main domain of expertise.
数学は彼女の主な専門領域です。
B2 noun dɪˈstrækʃən

distraction

気晴らし
Meaning
Something that prevents concentration or takes attention away from something else.
Example
Distraction during study time can hinder learning.
勉強中の気晴らしは学習を妨げることがあります。
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 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。
B2 noun /dɪsˈmeɪ/

Dismay

失望; 驚き
Meaning
concern and distress caused by something unexpected; consternation or alarm
Example
To our dismay, the concert was cancelled due to severe weather conditions.
私たちの失望の中、コンサートは悪天候のためキャンセルされました。
B2 noun /djuː/

Dew

露
Meaning
tiny drops of water that form on cool surfaces at night when atmospheric water vapour condenses
Example
The morning dew glistened on the grass.
朝露が草の上で輝いていました。
B2 noun /ˌdek.ləˈreɪ.ʃən/

Declaration

宣言; 発表; 告知
Meaning
a formal or explicit statement or announcement; an official proclamation
Example
The president's declaration of independence marked a historic moment for the nation.
大統領の独立宣言は、国にとって歴史的な瞬間を意味していました。
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.
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 verb /dɪˈspoʊz/

dispose

処分する
Meaning
To get rid of something, or to arrange or incline towards something.
Example
He disposed of the old furniture responsibly.
彼は古い家具を責任を持って処分しました。
B2 verb /dɪsˈkɑːrd/

discard

捨てる
Meaning
to throw away something that is no longer needed
Example
She decided to discard the old clothes.
彼女は古い服を捨てることに決めました。
B2 noun /ˈden.sə.ti/

Density

密度
Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
市の中心部の人口密度は非常に高い。
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。
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 adjective /ˌdɪp.ləˈmæt.ɪk/

Diplomatic

外交的; 人間関係をうまく扱うことができる
Meaning
relating to diplomacy; tactful; skilled in managing relationships
Example
She gave a diplomatic answer to avoid offending anyone.
彼女は誰も怒らせないように外交的な答えをしました。
B2 verb /ˈdæzəl/

dazzle

魅了する
Meaning
to impress deeply or blind with brilliance or skill
Example
The magician's tricks dazzled the audience.
マジシャンのトリックは観客を驚かせた。
B2 verb /dɪˈvaɪz/

devise

考案する
Meaning
To plan or invent something carefully.
Example
The engineers devised a new method to reduce costs.
エンジニアたちはコスト削減のために新しい方法を考案した。
B2 noun/verb /dɪˈpɑːzɪt/

deposit

預金, 手付金
Meaning
to place money in a bank account, or a sum paid in advance as security; a layer of material left naturally
Example
She deposited $500 into her savings account.
彼女は貯金口座に500ドルを預けました。
B2 noun dɪˈplɔɪmənt

deployment

展開
Meaning
The action of bringing resources into effective action.
Example
The deployment of the new software was completed successfully.
新しいソフトウェアの展開は成功裏に完了しました。
B2 noun /dɪsˈɡaɪz/

Disguise

変装; 偽装
Meaning
a means of altering one's appearance to conceal one's identity; something that hides the truth
Example
The spy wore an elaborate disguise to avoid being recognized by enemies.
スパイは敵に認識されないように精巧な変装をしていた。
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。
B2 adjective /dæmp/

damp

湿った
Meaning
slightly wet, often in an unpleasant way
Example
The room felt cold and damp after the rain.
雨の後、部屋は冷たくて湿っていると感じました。
B2 adjective /ˈdred.fəl/

Dreadful

恐ろしい; 恐怖を引き起こす; 恐ろしい
Meaning
extremely bad or unpleasant; causing fear or suffering; terrible
Example
The weather was dreadful during our vacation.
私たちの休暇中、天気は恐ろしかった。
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.
B2 noun/verb /dræft/

draft

ドラフト
Meaning
A preliminary version of a piece of writing; to prepare a preliminary version of a document.
Example
She finished the first draft of her novel.
彼女は小説の最初のドラフトを完成させました。
B2 verb /dɪsˈmɪs/

dismiss

解雇する, 却下する
Meaning
to remove someone from a job or position; to decide something is not important
Example
The manager dismissed the employee for being late too often.
マネージャーは遅刻が多すぎるため、従業員を解雇しました。
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 adjective /ˈdaʊt.fəl/

Doubtful

疑わしい; 不確かな; 何かに対して不確かに感じる
Meaning
uncertain; questionable; feeling uncertain about something
Example
I am doubtful about the success of this project.
私はこのプロジェクトの成功について疑問を持っています。
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。
B2 adjective /dɪˌveləpˈmentl/

developmental

発展的
Meaning
relating to the process of growth or progress
Example
Early childhood is a crucial developmental stage for learning.
幼児期は学習にとって重要な発展的段階です。
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 /dɪˈpraɪv/

deprive

Meaning
to take something away from someone, or prevent them from having it
Example
The new law may deprive people of their rights.
B2 adjective /dɛns/

dense

密な
Meaning
Closely compacted in substance; having parts crowded together.
Example
The forest was so dense that little sunlight reached the ground.
森はとても密で、ほとんど太陽の光が地面に届かなかった。
B2 noun /ˈder.ɪŋ/

Daring

大胆; 危険を冒す意欲
Meaning
adventurous courage; willingness to take risks
Example
The mountain climber's daring impressed everyone at the base camp.
山登りの冒険心は、ベースキャンプの皆に感動を与えました。
B2 noun /ˈdɛsɪməl/

decimal

十進法
Meaning
A number system based on 10; a number expressed in the base-10 system.
Example
The number 0.75 is a decimal.
0.75は十進法の数です。
B2 noun /dɪˈsep.ʃən/

Deception

欺瞞
Meaning
the action of deceiving someone; the state of being deceived
Example
The magician's deception amazed the audience with seemingly impossible tricks.
魔法使いの欺瞞は、観客を一見不可能なトリックで驚かせた。
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。
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。
B2 verb /dɪˈtekt/

detect

検出する
Meaning
to discover or identify the presence or existence of something; to notice something that is not immediately obvious
Example
The security system can detect movement in the building.
セキュリティシステムは建物内の動きを検出できます。
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。
B2 noun /dɪˈveləpər/

developer

開発者
Meaning
a person or company that creates software, buildings, or land projects
Example
She works as a software developer at a tech company.
彼女はテクノロジー企業でソフトウェア開発者として働いています。
B2 verb /dɪˈraɪv/

derive

導き出す
Meaning
To obtain something from a source.
Example
Many English words derive from Latin.
多くの英語の単語はラテン語から導き出される。
B2 adjective /dɪˈraɪvd/

derived

派生した
Meaning
Developed or obtained from something else; not original.
Example
The word is derived from Latin.
その単語はラテン語から派生しています。
B2 noun /dɪˌtɜː.mɪˈneɪ.ʃən/

determination

決意
Meaning
Firmness of purpose; the quality of being determined; resolve.
Example
His determination to succeed was unwavering.
成功するための彼の決意は揺るぎなかった。
B2 noun ডিজিটাল ডিটক্স

digital detox

デジタルデトックス
Meaning
A period of time during which a person refrains from using electronic devices such as smartphones or computers, regarded as an opportunity to reduce stress or focus on social interaction in the physical world.
Example
A digital detox can help reduce hand fatigue.
デジタルデトックスは手の疲労を減らすのに役立ちます。