語彙集

英単語辞書 | 単語の意味、定義、例文

acknowledgement definition card — visual illustration of the meaning
noun B2
/əkˈnɒlɪdʒmənt/
承認 (shonin)

the act of recognizing or accepting something as true or valid; an expression of gratitude or recognition

"She received an acknowledgement for her contribution to the project."

"彼女はプロジェクトへの貢献に対して承認を受けた。" (kanojo wa purojekuto e no koken ni taishite shonin o uketa)
acknowledgment definition card — visual illustration of the meaning
noun B2
/əkˈnɒlɪdʒmənt/
認識 (ninshiki)

the act of accepting, admitting, or recognizing something

"He received an acknowledgment of his application."

"彼は自分の申し込みの認識を受け取りました。" (Kare wa jibun no moushikomi no ninshiki o uketorimashita.)
acne definition card — visual illustration of the meaning
noun B2
/ˈækni/
ニキビ (nikibi)

a skin condition in which pores become inflamed and clogged, causing pimples and spots

"Regular cleansing and a balanced diet can help reduce acne."

"定期の洗浄とバランスの取れた食事は、ニキビの減少に役立ちます。" (Teiki no senjou to baransu no toreta shokuji wa, nikibi no genshou ni yakudachimasu.)
acoustic definition card — visual illustration of the meaning
adjective B2
/əˈkuːstɪk/

relating to sound or the sense of hearing; not amplified by electrical means

"We recorded an acoustic version of the song in a quiet room."

acquaint definition card — visual illustration of the meaning
verb B2
/əˈkweɪnt/
親しくする (shiritashiku suru)

to make someone familiar with something; to inform or introduce

"Please acquaint yourself with the safety guidelines before operating the machine."

"機械を操作する前に、安全ガイドラインを確認してください。" (Kikai o sōsa suru mae ni, anzen gaidorain o kakunin shite kudasai.)
acquire definition card — visual illustration of the meaning
verb B2
/əˈkwaɪər/
獲得する (kakutoku suru)

to obtain or gain possession of something

"She managed to acquire a rare painting at the auction."

"彼女はオークションで珍しい絵画を獲得することに成功しました。" (Kanojo wa ōkushon de mezurashī kaiga o kakutoku suru koto ni seikō shimashita.)
Acquisition definition card — visual illustration of the meaning
noun B2
/ˌækwɪˈzɪʃən/

the act of obtaining or gaining something, often knowledge, skills, or property

"The company announced the acquisition of a smaller competitor."

acre definition card — visual illustration of the meaning
🌾

acre

noun B2
/ˈeɪkər/

a unit of land area equal to 4,840 square yards (about 4,047 square meters)

"The farmer owns five acres of fertile land."

activate definition card — visual illustration of the meaning
verb B2
/ˈæktɪveɪt/
アクティベート (akutibēto)

to make something start or function

"She pressed the button to activate the machine."

"彼女は機械を起動するためにボタンを押しました。" (Kanojo wa kikai o kidō suru tame ni botan o oshimashita.)
activation definition card — visual illustration of the meaning
noun B2
/ˌæktɪˈveɪʃən/
アクティベーション (akutibēshon)

the act of making something start functioning

"The activation of the system took longer than expected."

"システムのアクティベーションは予想よりも時間がかかりました。" (Shisutemu no akutibēshon wa yosō yori mo jikan ga kakarimashita.)
Active recall definition card — visual illustration of the meaning
noun B2
ˈæk.tɪv rɪˈkɔːl
アクティブリコール (akutibu rikōru)

A learning technique that involves actively trying to retrieve information from memory rather than passively reviewing material.

"Active recall improves long-term memory and retention."

"アクティブリコールは長期記憶と保持力を向上させます。" (Akutibu rikōru wa chōki kioku to hojiryou wo kōjō sasemasu.)
actively definition card — visual illustration of the meaning
adverb B2
/ˈæktɪvli/
積極的に (sekkyokuteki ni)

in a manner that involves action or energy

"She is actively participating in the community service."

"彼女は地域活動に積極的に参加しています。" (Kanojo wa chiiki katsudou ni sekkyokuteki ni sanka shiteimasu.)
activism definition card — visual illustration of the meaning
noun B2
/ˈæktɪˌvɪzəm/
アクティビズム (akutibizumu)

The policy or action of using vigorous campaigning to bring about political or social change.

"Her environmental activism inspired many young people to take action."

"彼女の環境アクティビズムは多くの若者に行動を促した。" (Kanojo no kankyo akutibizumu wa ooku no wakamono ni kodo o unagashita.)
activist definition card — visual illustration of the meaning
noun B2
/ˈæktɪvɪst/
活動家 (katsudōka)

A person who works to bring about social or political change.

"The activist organized a protest against pollution."

"活動家は汚染に反対する抗議を組織しました。" (Katsudōka wa osen ni hantai suru kōgi o soshiki shimashita.)
acute definition card — visual illustration of the meaning
adjective B2
/əˈkjuːt/
急性 (kyūsei)

present or experienced to a severe or intense degree; having sharp perception

"The patient suffered from acute pain after the surgery."

"手術後、患者は激しい痛みを感じました。" (Shujutsugo, kanja wa hageshī itami o kanjimashita.)
adaptability definition card — visual illustration of the meaning
noun B2
əˌdæp.təˈbɪl.ə.ti
適応力 (tekiōryoku)

The quality of being able to adjust to new conditions or circumstances.

"Adaptability is crucial in an ever-changing world."

"適応力は絶えず変化する世界で重要です。" (Tekiōryoku wa taezu henka suru sekai de jūyō desu.)
adaptation definition card — visual illustration of the meaning
noun B2
/ˌædæpˈteɪʃən/
適応 (tekiou)

the process of changing or adjusting to fit a new situation

"The adaptation of the program to mobile devices was a success."

"プログラムのモバイルデバイスへの適応は成功しました。" (Puroguramu no mobairu debaizu e no tekiou wa seikou shimashita.)
adaptive features definition card — visual illustration of the meaning
adjective + noun B2
əˈdæptɪv ˈfiːtʃərz
適応機能 (tekiou kinou)

Characteristics that help organisms adjust to their environment

"Plants' adaptive features help them grow in winter."

"植物の適応機能は、冬に成長するのを助けます。" (Shokubutsu no tekiou kinou wa, fuyu ni seichou suru no wo tasukemasu.)
addict definition card — visual illustration of the meaning
noun, verb B2
/ˈædɪkt/ (noun), /əˈdɪkt/ (verb)
中毒者 (chuudoku-sha)

a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something

"He is a video game addict who spends hours playing every day."

"彼は毎日何時間もゲームをするゲーム中毒者です。" (Kare wa mainichi nanjikan mo geemu o suru geemu chuudoku-sha desu.)
addicted definition card — visual illustration of the meaning
adjective B2
/əˈdɪktɪd/
中毒 (chuudoku)

Being unable to stop engaging in a particular activity or consuming a particular substance.

"Many people are addicted to social media."

"多くの人々がソーシャルメディアに中毒しています。" (Ookuno hitobito ga soosharu media ni chuudoku shiteimasu.)
addiction definition card — visual illustration of the meaning
noun B2
/əˈdɪkʃən/
依存 (izon)

A strong and harmful need to regularly have or do something, such as drugs, alcohol, or habits.

"His addiction to video games affected his studies."

"彼のビデオゲームへの依存は彼の学業に影響を与えました。" (Kare no bideo geemu e no izon wa kare no gakugyou ni eikyou o ataemashita.)
additionally definition card — visual illustration of the meaning
adverb B2
/əˈdɪʃənəli/
さらに (sarani)

in addition to what has been said or done

"Additionally, we offer discounts for early bookings."

"さらに、私たちは早期予約に対する割引を提供しています。" (Sarani, watashitachi wa soki yoyaku ni taisuru waribiki wo teikyou shiteimasu.)
adequate definition card — visual illustration of the meaning
adjective B2
/ˈædɪkwət/
適切 (tekisetsu)

sufficient or acceptable in quality or quantity

"The food was adequate for the small group."

"食べ物は小さなグループにとって適切でした。" (Tabemono wa chiisana gurūpu ni totte tekisetsu deshita.)
adequately definition card — visual illustration of the meaning
adverb B2
/ˈædɪkwətli/
適切に (tekisetsu ni)

in a satisfactory manner

"He completed the task adequately, but could improve next time."

"彼は適切に仕事を終えましたが、次回は改善できるでしょう。" (Kare wa tekisetsu ni shigoto o oemashita ga, jikai wa kaizen dekiru deshō.)
adhere definition card — visual illustration of the meaning
verb B2
/ədˈhɪər/
付着する、従う (fuchaku suru, shitagau)

to stick firmly to something or follow a belief or rule

"The label will not adhere to the wet surface."

"ラベルは濡れた表面に付着しません。" (Raberu wa nureta hyōmen ni fuchaku shimasen.)
Adjacent definition card — visual illustration of the meaning
adjective B2
/əˈdʒeɪsənt/
隣接 (rinsetsu)

Next to or adjoining something else.

"The hotel is adjacent to the beach."

"ホテルはビーチに隣接しています。" (Hoteru wa bīchi ni rinsetsu shite imasu.)
adjective B2
/əˈdʒʌstəbəl/
調整可能な; 可変の; 調節できる; (chōseikanō na; kahen no; chōsetsu dekiru;)

নিয়মযোগ্য; পরিবর্তন-সাধ্য; সমন্বয়যোগ্য;

"This chair has an adjustable height feature."

"この椅子は高さが調節可能です。" (Kono isu wa takasa ga chōsetsu kanō desu.)
adjustment definition card — visual illustration of the meaning
noun B2
/əˈdʒʌstmənt/

a small change made to improve something or make it work better

"The doctor made an adjustment to the patient’s medication."

administer definition card — visual illustration of the meaning
verb B2
/ədˈmɪnɪstər/
管理する / 適用する (kanri suru / tekiyou suru)

To manage or oversee the operation of something; to provide or apply.

"The nurse will administer the medicine at noon."

"ナースは正午に薬を施す予定です。" (Nasu wa shougo ni kusuri wo hodokosu yotei desu.)
administrative definition card — visual illustration of the meaning
adjective B2
/ədˈmɪnɪstrətɪv/
行政的な (gyouseiteki na)

relating to the management or organization of something

"The administrative tasks were handled efficiently by the team."

"行政的なタスクはチームによって効率的に処理されました。" (Gyouseiteki na tasuku wa chiimu ni yotte kouritsuteki ni shori saremashita.)
administrator definition card — visual illustration of the meaning
🧑‍💼

administrator

noun B2
/ədˈmɪnɪstreɪtər/

a person responsible for running or managing an organization or system

"The school administrator implemented new policies for students."

Admirable definition card — visual illustration of the meaning
adjective B2
/ˈædmərəbəl/
賞賛に値する (shousan ni ataisuru)

প্রশংসনীয়; চমৎকার;

"Her dedication to helping others is truly admirable."

"彼女の他人を助ける献身は本当に賞賛に値します。" (Kanojo no tanin o tasukeru kenshin wa hontou ni shousan ni atai shimasu.)
admiration definition card — visual illustration of the meaning
noun B2
/ˌædməˈreɪʃən/
尊敬 (sonkei)

a feeling of respect, pleasure, or approval for someone or something

"She felt great admiration for her teacher’s dedication."

"彼女は先生の献身に尊敬を感じた。" (kanojo wa sensei no kenshin ni sonkei o kanjita)
adolescent definition card — visual illustration of the meaning
noun/adjective B2
/ˌædəˈlɛsənt/
思春期の人 (shishunki no hito)

A young person in the process of developing from a child into an adult.

"Adolescents often experience rapid physical and emotional changes."

"思春期の人々はしばしば急速な身体的および感情的な変化を経験します。" (shishunki no hitobito wa shibashiba kyūsokuna shintai-teki oyobi kanjō-teki na henka o keiken shimasu.)
advancement definition card — visual illustration of the meaning
noun B2
/ədˈvɑːns.mənt/
進展 (shinten)

The process of promoting or moving forward; development or improvement.

"Scientific advancements benefit society."

"科学的な進展は社会に利益をもたらす。" (Kagakuteki na shinten wa shakai ni rieki o motarasu.)
advancements definition card — visual illustration of the meaning
noun B2
/ədˈvɑːns.mənts/
進展 (shinten)

Progress or development in a particular area.

"Advancements in technology are transforming astronomy."

"技術の進展が天文学を変革しています。" (Gijutsu no shinten ga tenmongaku o henka shiteimasu.)
adjective B2
/ˌædvənˈteɪdʒəs/
有利な; 便利な; 利益を生む (yūrina; benrina; rieki o umu)

beneficial; favorable; profitable

"This position offers advantageous opportunities for career growth."

"このポジションはキャリアの成長のための有利な機会を提供します。" (Kono pojishon wa kyaria no seichō no tame no yūri na kikai o teikyō shimasu.)
adventurer definition card — visual illustration of the meaning
noun B2
/ədˈvɛntʃərər/
冒険家 (boukenka)

a person who seeks exciting, risky, or unusual experiences; someone who explores new or unknown places

"The adventurer traveled deep into the jungle in search of ancient ruins."

"その冒険家は古代遺跡を探してジャングルの奥深くへ旅した。" (sono boukenka wa kodai iseki o sagashite janguru no okobukaku e tabi shita)
Adverse definition card — visual illustration of the meaning
🌩️

Adverse

adjective B2
/ˈæd.vɜːs/

Preventing success or development; harmful or unfavorable.

"The project was delayed due to adverse weather conditions."

adverse effects definition card — visual illustration of the meaning
adjective + noun B2
ˈædvɜːrs ɪˈfekts
悪影響 (aku eikyō)

Negative or harmful impacts that result from an action or condition.

"Plastic usage has adverse effects on the environment."

"プラスチックの使用は環境に悪影響を与える。" (Purasuchikku no shiyō wa kankyō ni aku eikyō o ataeru.)
adverse impact definition card — visual illustration of the meaning
adjective + noun B2
অ্যাডভার্স ইমপ্যাক্ট
悪影響 (akueikyo)

A negative or harmful effect or influence on something.

"Long screen time has an adverse impact on hand muscles."

"長時間の画面の使用は手の筋肉に悪影響を及ぼします。" (Chō jikan no gamen no shiyō wa te no kinniku ni akueikyō o oyoboshimasu.)
adversity definition card — visual illustration of the meaning
🌪️

adversity

noun B2
/ədˈvɜː.sə.ti/

Difficulties or misfortune.

"She showed great courage in the face of adversity."

advert definition card — visual illustration of the meaning
noun, verb B2
/ˈædvɜːrt/

(noun) a notice or announcement in a public medium promoting a product, service, or event; (verb) to refer to something in speaking or writing

"The company placed an advert in the newspaper for the new position."

advertiser definition card — visual illustration of the meaning
noun B2
/ˈædvərtaɪzər/
広告主 (kōkoku-shu)

a person or company that advertises a product, service, or event

"The advertiser paid millions for a Super Bowl commercial spot."

"広告主はスーパーボウルのコマーシャルに何百万ドルも支払った。" (Kōkoku-shu wa Sūpā Bōru no komāsharu ni nanbyaku man doru mo shiharatta.)
advisory definition card — visual illustration of the meaning
adjective, noun B2
/ədˈvaɪzəri/
アドバイザリー (adobaisarī)

(adjective) having the power to give advice but not to make sure that it is followed; (noun) an official announcement containing information or a warning

"The committee serves in an advisory capacity to the board of directors."

"委員会は取締役会にアドバイザリーの役割を果たしています。" (Iinkai wa torishimariyakukai ni adobaisarī no yakuwari o hatashiteimasu.)
advocacy definition card — visual illustration of the meaning
noun B2
/ˈædvəkəsi/
擁護 (yōgo)

public support for or recommendation of a particular cause or policy

"Her advocacy for children's rights earned her international recognition."

"彼女の子どもの権利への擁護は、国際的な認知を得た。" (Kanojo no kodomono kenri e no yōgo wa, kokusaiteki na ninchi o eta.)
Advocate definition card — visual illustration of the meaning
noun, verb B2
/ˈædvəˌkeɪt/ (noun), /ˈædvəˌkeɪt/ or /ˈædvəˌkət/ (verb)
支持者 / 弁護士 (shijisha / bengoshi)

As a noun: a person who publicly supports or recommends a cause. As a verb: to publicly recommend or support.

"She is an advocate for women's rights and often advocates for equal opportunities."

"彼女は女性の権利を擁護し、しばしば平等な機会のために擁護活動を行っています。" (Kanojo wa josei no kenri o yōgo shi, shibashiba byōdō na kikai no tame ni yōgo katsudō o okonatteimasu.)
aerial definition card — visual illustration of the meaning
adjective, noun B2
/ˈɛəriəl/
空中の / アンテナ (kūchū no / antena)

As an adjective: existing or happening in the air. As a noun: an antenna for receiving radio or television signals.

"The pilot performed an amazing aerial maneuver."

"パイロットは素晴らしい空中機動を行いました。" (Pairotto wa subarashī kūchū kidō o okonaimashita.)
Aesthetic definition card — visual illustration of the meaning
adjective B2
/ɛsˈθɛtɪk/
美的 (biteki)

concerned with beauty or the appreciation of beauty

"The room was decorated in an aesthetic style that pleased everyone."

"部屋は美的なスタイルで装飾され、全員が喜びました。" (Heya wa biteki na sutairu de sōshoku sare, zen'in ga yorokobimashita.)
Affected definition card — visual illustration of the meaning
adjective B2
/əˈfɛktɪd/
偽りの (itsuwari no)

artificial, pretentious, or showing an unnatural manner

"His affected manner made him seem insincere."

"彼の偽りの態度は、彼を不誠実に見せていました。" (Kare no itsuwari no taido wa, kare o fuseijitsu ni misete imashita.)