Vocabularies

English Vocabulary Dictionary | Word Meanings, Definitions & Examples

aerie definition card — visual illustration of the meaning
noun C2
/ˈɛəri/
鷲の巣 (washi no su)

A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.

"The eagle built its aerie on the high cliff."

"ワシは高い崖に巣を作った" (Washi wa takai gake ni su wo tsukutta)
aeronaut definition card — visual illustration of the meaning
noun C2
/ˈɛərəˌnɔːt/
気球乗り (kikyū nori)

A person who travels in an airship, balloon, or other aircraft.

"The aeronaut skillfully guided the hot-air balloon across the valley."

"気球乗りは巧みに気球を谷を越えて操縦しました。" (Kikyū nori wa takumini kikyū o tani o koete sōjū shimashita.)
aerostat definition card — visual illustration of the meaning
noun C2
/ˈɛərəˌstæt/
エアロスタット (aerostatto)

A lighter-than-air craft, such as a balloon, that is lifted by gas.

"The military used an aerostat for surveillance over the border."

"軍隊は国境監視のためにエアロスタットを使用しました。" (Guntai wa kokkyō kanshi no tame ni aerosutatto o shiyō shimashita.)
aerostatic definition card — visual illustration of the meaning
adjective C2
ˌeə.rəʊˈstæt.ɪk
気圧静的な (kiatsu seiteki na)

Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.

"Aerostatic designs ensure stability at high altitudes."

"エアロスタティックデザインは高高度での安定性を確保します。" (Eārosutatikku dezain wa kōkōdo de no antei-sei o kakuho shimasu.)
aerostatics definition card — visual illustration of the meaning
noun C2
/ˌɛərəˈstætɪks/
エアロスタティクス (earosutatikusu)

The branch of physics that deals with the equilibrium of air and gases and the forces acting on bodies in them.

"Aerostatics is essential for understanding how balloons float."

"エアロスタティクスは、気球がどのように浮かぶかを理解するために不可欠です。" (Earosutatikusu wa, kikyū ga dono yō ni ukabu ka o rikai suru tame ni fukaketsu desu.)
aery definition card — visual illustration of the meaning
noun C2
/ˈɪəri/ or /ˈɛəri/
ワシの巣 (washi no su)

An eagle’s nest, or a lofty, airy dwelling.

"The eagle perched proudly near its aery high on the cliff."

"鷲は崖の上にあるその巣の近くに誇らしげに止まった。" (Washi wa gake no ue ni aru sono su no chikaku ni hokorashige ni tomatta.)
aesthete definition card — visual illustration of the meaning
noun C2
/ˈiːsθiːt/ or /ˈɛsθiːt/
美術愛好家 (bijutsu aikouka)

A person who has a special appreciation of art and beauty.

"The aesthete admired the subtle details of the painting."

"エステートは絵画の微細なディテールを賞賛していました。" (Esutēto wa kaiga no bisai na ditēru o shōsan shiteimashita.)
affable definition card — visual illustration of the meaning
adjective C2
/ˈæfəbəl/
愛想の良い (aisō no yoi)

friendly, easy to talk to, and pleasant in manner

"He is such an affable host that everyone feels comfortable at his parties."

"彼はとても愛想の良いホストで、誰もが彼のパーティーで快適に感じます。" (Kare wa totemo aisō no yoi hosuto de, dare mo ga kare no pātii de kaiteki ni kanjimasu.)
affectation definition card — visual illustration of the meaning
noun C2
/ˌæfɛkˈteɪʃən/

an unnatural behavior or speech intended to impress others

"Her British accent was just an affectation to sound sophisticated."

afferent definition card — visual illustration of the meaning
adjective C2
/ˈæfərənt/
求心 (kyuushin)

carrying impulses toward a central organ or part, especially toward the brain or spinal cord

"Afferent nerves carry signals from the body to the brain."

"求心神経は体から脳に信号を運びます。" (Kyuushin shinkei wa karada kara nou ni shingou wo hakobimasu.)
affiance definition card — visual illustration of the meaning
verb C2
/əˈfaɪəns/
婚約する (konyaku suru)

to promise or pledge marriage; to formally engage

"They decided to affiance after years of friendship."

"長年の友情の後、彼らは婚約することを決めた。" (naganen no yuujou no ato karera wa konyaku suru koto o kimeta)
afflatus definition card — visual illustration of the meaning
noun C2
/əˈfleɪtəs/
神の啓示 (kami no keiji)

a sudden divine inspiration or creative impulse

"The poet wrote the verses under a sudden afflatus of inspiration."

"詩人は突然の神の啓示のもとで詩を書きました。" (Shijin wa totsuzen no kami no keiji no moto de shi wo kakimashita.)
affray definition card — visual illustration of the meaning
noun C2
/əˈfreɪ/
公開喧嘩 (koukai kenka)

A public fight or noisy disturbance that causes alarm.

"The police were called to break up an affray outside the stadium."

"警察はスタジアム外での喧嘩を止めるために呼ばれました。" (Keisatsu wa sutajiamu-gai de no kenka o tomeru tame ni yoba remashita.)
affront definition card — visual illustration of the meaning
noun, verb C2
/əˈfrʌnt/
侮辱 (bujoku)

An action or remark that causes outrage or offense.

"He took her criticism as a personal affront."

"彼は彼女の批判を個人的な侮辱と受け止めた。" (Kare wa kanojo no hihan o kojinteki na bujoku to uketometa.)
afoot definition card — visual illustration of the meaning
adjective, adverb C2
/əˈfʊt/
進行中 (shinkouchuu)

In progress; happening or being prepared.

"There are several new projects afoot in the company."

"会社にはいくつかの新しいプロジェクトが進行中です。" (Kaisha ni wa ikutsuka no atarashii purojekuto ga shinkouchuu desu.)
Aforesaid definition card — visual illustration of the meaning
adjective C2
/əˈfɔːrˌsɛd/
前述 (zenshutsu)

Mentioned earlier; previously stated.

"The aforesaid conditions must be met before the contract is signed."

"契約に署名する前に前述の条件を満たさなければなりません。" (Keiyaku ni shomei suru mae ni zenshutsu no jōken o mitasenakereba narimasen.)
agape definition card — visual illustration of the meaning
adjective C2
/əˈɡeɪp/ or /əˈɡɑːp/
驚愕 (kyōgaku)

With the mouth wide open in surprise or wonder.

"She stood agape at the breathtaking view."

"彼女は息を呑むような景色に驚いて口を開けたまま立っていた。" (Kanojo wa iki o nomu yō na keshiki ni odoroite kuchi o aketa mama tatte ita.)
agglomerate definition card — visual illustration of the meaning
verb C2
/əˈɡlɒməˌreɪt/
凝集する (gyoushu suru)

To collect or form into a mass or group.

"The dust particles began to agglomerate into larger clusters."

"埃の粒子がより大きな塊に集まり始めました。" (Hōki no ryūshi ga yori ōkina katamari ni atsumari hajimemashita.)
agglomeration definition card — visual illustration of the meaning
noun C2
/əˌɡlɒməˈreɪʃən/
集積 (shūseki)

A mass or collection of things, sometimes clustered together.

"The city is an agglomeration of diverse cultures and communities."

"その都市はさまざまな文化とコミュニティの集積です。" (Sono toshi wa samazama na bunka to komyuniti no shūseki desu.)
aggradation definition card — visual illustration of the meaning
noun C2
/ˌæɡ.rəˈdeɪ.ʃən/
堆積物によって土地が作られるプロセス (taisekimono ni yotte tochi ga tsukurareru purosesu)

The process of land being built up by sediment deposition.

"Aggradation helps in the natural expansion of riverbanks."

"アグレデーションは河川の自然な拡張を助けます。" (Agredeshon wa kasen no shizen na kakuchou o tasukemasu)
aggrandize definition card — visual illustration of the meaning
verb C2
/əˈɡræn.daɪz/
拡大する (kakudai suru)

To increase the power, wealth, or importance of a person or entity.

"The politician tried to aggrandize himself through exaggerated claims."

"政治家は誇張された主張を通じて自分を拡大しようとした。" (Seijika wa kojō sareta shuchō o tōjite jibun o kakudai shiyō to shita.)
aggress definition card — visual illustration of the meaning
verb C2
/əˈɡrɛs/
攻撃する (kōgeki suru)

to initiate an attack or show hostile behavior

"The army chose not to aggress without provocation."

"軍隊は挑発なしに攻撃しないことを決定しました。" (Guntai wa chōhatsu nashi ni kōgeki shinai koto o kettei shimashita.)
aggrieve definition card — visual illustration of the meaning
verb C2
/əˈɡriːv/
傷つける (kizutsukeru)

to cause distress or make someone feel resentful

"She felt aggrieved by the unfair decision."

"彼女は不公平な決定に心を痛めていた。" (Kanojo wa fukōhei na kettei ni kokoro o itamete ita.)
agog definition card — visual illustration of the meaning
🤩

agog

adjective C2
/əˈɡɒɡ/

Highly excited by eagerness, curiosity, or anticipation.

"The children were agog with excitement as they waited for the magician to appear."

agroecology definition card — visual illustration of the meaning
noun C2
/ˌæɡ.roʊ.iˈkɑː.lə.dʒi/
アグロエコロジー (aguroekorojī)

The study of ecological processes applied to agricultural production systems.

"Agroecology promotes environmentally friendly farming methods."

"アグロエコロジーは環境に優しい農業方法を推進します。" (Aguroekorojī wa kankyō ni yasashī nōgyō hōhō o suishin shimasu.)
agroecosystem definition card — visual illustration of the meaning
noun C2
ˌæɡ.roʊˈiː.koʊˌsɪs.təm
農業生態系 (nougyou seitai kei)

An ecological system centered on agricultural activities and processes.

"A healthy agroecosystem improves soil fertility."

"健康な農業生態系は土壌の肥沃度を改善します。" (Kenkou na nougyou seitai kei wa dojou no hiyokudo wo kaizen shimasu.)
agroforestry definition card — visual illustration of the meaning
noun C2
ˌæɡ.roʊˈfɔːr.ɪ.stri
アグロフォレストリー (aguroforesutorī)

A land use management system in which trees or shrubs are grown around or among crops or pastureland.

"Agroforestry improves soil quality and crop yield."

"アグロフォレストリーは土壌の質と作物の収量を改善します。" (Aguroforesutorī wa dojo no shitsu to sakumotsu no shūryō o kaizen shimasu.)
agronomist definition card — visual illustration of the meaning
noun C2
/əˈɡrɒnəmɪst/
農学者 (nogakusha)

A scientist who studies soil management and crop production.

"The agronomist suggested new methods to improve rice yields."

"農学者は、米の収穫量を改善するための新しい方法を提案しました。" (Nogakusha wa, kome no shūkakuryō o kaizen suru tame no atarashī hōhō o teian shimashita.)
agronomy definition card — visual illustration of the meaning
noun C2
/əˈɡrɒnəmi/
農業学 (nōgyōgaku)

The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.

"Agronomy focuses on soil management and crop production."

"農業学は土壌管理と作物生産に焦点を当てています。" (Nōgyōgaku wa dojō kanri to sakumotsu seisan ni shōten o ateteimasu.)
aide-de-camp definition card — visual illustration of the meaning
noun C2
/ˌeɪd də ˈkæmp/
上級将校の秘密の補佐役として働く軍人 (joukyuu shoukou no himitsu no hosayaku to shite hataraku gunjin)

A military officer acting as a confidential assistant to a senior officer.

"The general was accompanied by his aide-de-camp during the ceremony."

"儀式の間、将軍は自分のエイド・デ・キャンプと共に出席しました。" (Gishiki no aida, shougun wa jibun no aid-de-kamp to tomoni shusseki shimashita.)
alabaster definition card — visual illustration of the meaning
noun/adjective C2
/ˈæl.əˌbæs.tər/
アラバスター(白い鉱物) (arabasutā)

A fine-grained, usually white variety of gypsum, often used for carving; also describes something smooth and pale like alabaster.

"The statue was carved from pure alabaster."

"その像は純粋なアラバスターで彫られました。" (Sono zō wa junsui na arabasutā de horaremashita.)
alacrity definition card — visual illustration of the meaning
noun C2
/əˈlæk.rə.ti/
機敏 (alacrity)

Cheerful willingness, eagerness, or readiness to do something.

"She accepted the invitation with alacrity."

"彼女は喜んで招待を受け入れました。" (Kanojo wa yorokonde shōtai o ukeiremashita.)
albino definition card — visual illustration of the meaning
noun/adjective C2
/ælˈbaɪ.noʊ/
アルビノ (色素が欠けている人/動物) (albino)

A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.

"The albino rabbit had white fur and pink eyes."

"アルビノウサギは白い毛とピンクの目を持っていました。" (Arubino usagi wa shiroi ke to pinku no me wo motteimashita.)
albite definition card — visual illustration of the meaning
noun C2
/ˈæl.baɪt/

A white or colorless mineral of the feldspar group, often found in igneous rocks.

"Geologists discovered albite crystals in the rock sample."

alder definition card — visual illustration of the meaning
noun C2
/ˈɔːldər/
アルダーの木 (Arudā no ki)

A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.

"The alder trees grew thick along the riverbank."

"アルダーの木は川のほとりに密に成長していました。" (Arudā no ki wa kawa no hotori ni mitsu ni seichō shiteimashita.)
alderman definition card — visual illustration of the meaning
noun C2
/ˈɔːldərmən/
市議会議員 (shigikai giin)

An elected member of a municipal council in certain cities and towns.

"The alderman proposed a new plan for community parks."

"オールダーマンはコミュニティパークの新しい計画を提案しました。" (Ōrudāman wa komyuniti pāku no atarashī keikaku o teian shimashita.)
aldermanship definition card — visual illustration of the meaning
noun C2
/ˈɔːldərmənʃɪp/
アルダーマンの職位 (Arudāman no shokui)

The office, position, or dignity of an alderman.

"He was honored with aldermanship after years of service."

"彼は多年の奉仕後、アルダーマンの職位を授与されました。" (Kare wa tangen no hōshi go, arudāman no shokui o juyo saremashita.)
alienable definition card — visual illustration of the meaning
adjective C2
/ˈeɪ.li.ə.nə.bəl/
譲渡可能 (joutokano)

Able to be transferred or surrendered, usually referring to rights or property.

"Property rights are alienable and can be sold or transferred."

"財産権は譲渡可能で、売却または転送できます。" (Zaisanken wa jouto kanou de, baikyaku mata wa tensou dekimasu.)
aliment definition card — visual illustration of the meaning
noun C2
/ˈæl.ɪ.mənt/
食物 (shokumotsu)

food or nourishment that sustains life

"Fruits and vegetables are important aliments for a healthy body."

"果物と野菜は健康な体のための重要な食物です。" (Kudamono to yasai wa kenkōna karada no tame no jūyōna shokumotsu desu.)
alimentary definition card — visual illustration of the meaning
adjective C2
/ˌæl.ɪˈmen.tər.i/
消化に関連する (shōka ni kanren suru)

relating to nourishment or the organs of digestion

"The doctor explained the role of the alimentary canal in digestion."

"医者は消化管の役割について説明しました。" (Isha wa shōkakan no yakuwari ni tsuite setsumei shimashita.)
Alkali Act definition card — visual illustration of the meaning
noun C2
/ˈæl.kə.laɪ ækt/
アルカリ法案 (Arukari hōan)

A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.

"The Alkali Act of 1863 was one of the first environmental laws."

"1863年のアルカリ法案は最初の環境法の一つでした。" (1863 nen no arukari hōan wa saisho no kankyōhō no hitotsu deshita.)
allay definition card — visual illustration of the meaning
verb C2
/əˈleɪ/
和らげる (yawararageru)

to reduce the intensity of fear, worry, or pain; to calm

"The teacher tried to allay the students’ fears before the exam."

"教師は試験前に生徒たちの恐怖を和らげようとしました。" (Kyōshi wa shiken mae ni seito-tachi no kyōfu o yawarageyō to shimashita.)
alliterate definition card — visual illustration of the meaning
verb C2
/əˈlɪtəreɪt/
頭韻を踏む (touin o fumu)

to repeat the same consonant sound at the beginning of words in a phrase or sentence

"The poet often alliterates words to create rhythm."

"詩人はしばしばリズムを作り出すために言葉をアリテレートします。" (Shijin wa shibashiba rizumu o tsukuri dasu tame ni kotoba o aritereeto shimasu.)
allusive definition card — visual illustration of the meaning
adjective C2
/əˈluːsɪv/
暗示的 (anshiteki)

Making indirect references or hints; suggestive without being explicit.

"The novel is full of allusive passages that point to classical literature."

"その小説は古典文学を指し示す暗示的な部分で満ちている。" (Sono shōsetsu wa koten bungaku o sashishimesu anshiteki na bubun de michite iru.)
alluvial definition card — visual illustration of the meaning
adjective C2
/əˈluːviəl/
沖積の (chuseki no)

Relating to or derived from alluvium (loose soil or sediment deposited by rivers).

"The farmers cultivate crops on the fertile alluvial plains."

"農民たちは肥沃な沖積平原で作物を栽培します。" (nomin tachi wa hi yoku na chuseki heigen de sakumotsu o saibai shimasu)
alluvion definition card — visual illustration of the meaning
noun C2
/əˈluːviən/
アリュビオン (aryubion)

The gradual increase of land by the deposit of soil from water; also, a flood or overflow of water.

"The river’s alluvion added new fertile land to the village fields."

"川のアリュビオンは村の畑に新しい肥沃な土地を加えました。" (Kawa no aryubion wa mura no hatake ni atarashī hiwaku na tochi o kuwaemashita.)
alluvium definition card — visual illustration of the meaning
noun C2
/əˈluː.vi.əm/
沖積土 (chousekido)

Fertile soil deposited by flowing water, especially in riverbanks.

"The alluvium in riverbanks is highly fertile for agriculture."

"川の岸辺にあるアリューヴィウムは農業に非常に肥沃です。" (Kawa no kishibe ni aru aryuviumu wa nougyou ni hijou ni hiwoku desu.)
almanac definition card — visual illustration of the meaning
noun C2
/ˈɔːlmənæk/
年鑑 (nenkan)

An annual publication containing calendars, weather forecasts, astronomical data, and other useful information.

"He consulted the almanac to check the phases of the moon."

"彼は月の段階を確認するために年鑑を参照しました。" (Kare wa tsuki no dankai o kakunin suru tame ni nenkan o sanshō shimashita.)
Almirah definition card — visual illustration of the meaning
noun C2
/ˈæl.mɪ.rə/
クローゼット (kurōzetto)

a large cupboard or wardrobe used for storing clothes and other items

"I keep all my clothes in the wooden almirah."

"私はすべての衣服を木製のアルミラーに保管します。" (Watashi wa subete no ifuku o mokusei no arumirā ni hokan shimasu.)
alms definition card — visual illustration of the meaning
noun C2
/ɑːmz/
施し (hodokoshi)

Money, food, or goods given to the poor as charity.

"The monk distributed alms to the needy villagers."

"僧侶は貧しい村人たちに施しを分け与えた。" (Sōryo wa mazushī murabito-tachi ni hodokoshi o wakeataeta.)