語彙集

英単語辞書 | 単語の意味、定義、例文

noun
/ˈflɒtsəm/
漂流物 (hyōryūbutsu)

Floating debris from a shipwreck or things discarded and left floating.

"The beach was littered with flotsam after the storm."

"嵐の後、ビーチは漂流物で埋め尽くされていた。" (Arashi no ato, bīchi wa hyōryūbutsu de umetsukusarete ita.)
verb
/ˈflaʊndər/
もがく (mogaku)

To struggle or stagger clumsily; to experience difficulty or confusion.

"He floundered in the interview when asked difficult questions."

"彼は面接で難しい質問をされて、うろたえました。" (Kare wa mensetsu de muzukashii shitsumon o sarete, urotaemashita.)
noun
/ˈflaʊ.ər/
小麦粉 (komugiko)

a powder made by grinding grains, used for making bread, cakes, etc.

"She bought a bag of flour to bake a cake."

"彼女はケーキを焼くために小麦粉を一袋買いました。" (Kanojo wa keeki wo yaku tame ni komugiko wo hitofukuro kaimashita.)
flourish definition card — visual illustration of the meaning
verb
/ˈflʌrɪʃ/

To grow or develop in a healthy or successful way.

"Her business began to flourish after she introduced online sales."

flout definition card — visual illustration of the meaning
verb
/flaʊt/
無視する (mushi suru)

To openly disregard or show contempt for a rule or law.

"The company was fined for flouting environmental regulations."

"その会社は環境規制を無視したため罰金を科せられました。" (Sono kaisha wa kankyō kisei o mushi shita tame bakkin o kase raremashita.)
flow definition card — visual illustration of the meaning
verb
/floʊ/
流れ (nagare)

to move steadily and continuously in a current or stream

"The river flows gently through the valley."

"川は谷を穏やかに流れる。" (Kawa wa tani o odayaka ni nagareru.)
noun
/ˈflaʊər/
(hana)

the seed-bearing part of a plant, often colorful and fragrant, that blossoms

"The garden was full of colorful flowers."

"庭はカラフルな花でいっぱいでした。" (Niwa wa karafuru na hana de ippai deshita.)
noun
/ˈflaʊər veɪs/
花瓶 (kabin)

a decorative container used to hold cut flowers

"She placed beautiful roses in the flower vase on the table."

"彼女はテーブルの上に花瓶に美しいバラを置きました。" (Kanojo wa tēburu no ue ni kabin ni utsukushī bara o okimashita.)
Flowers definition card — visual illustration of the meaning
noun
ˈflaʊərz
(hana)

The reproductive structures of plants that provide nectar for butterflies.

"Butterflies are attracted to colorful flowers."

"蝶々は色とりどりの花に引き寄せられる。" (Chou chou wa iro toridori no hana ni hikiyoserareru.)
adjective
/ˈflaʊəri/
花のような / 飾られた (hana no yō na / kazatta)

Full of flowers or overly elaborate in style or language.

"She wrote a flowery letter filled with poetic phrases."

"彼女は詩的なフレーズで満たされた花のような手紙を書いた。" (Kanojo wa shiteki na fureezu de mitasareta hana no yō na tegami o kaita.)
noun
/fluː/
インフルエンザ (infuruenzā)

a contagious viral illness causing fever, aches, and respiratory symptoms; influenza

"She stayed home because she had the flu."

"彼女はインフルエンザなので家にいました。" (Kanojo wa infuruenzā na node ie ni imashita)
fluctuate definition card — visual illustration of the meaning
verb
/ˈflʌktʃueɪt/
変動する (hendou suru)

To change continually between one level or situation and another.

"The prices of vegetables fluctuate throughout the year."

"野菜の価格は一年を通して変動します。" (Yasai no kakaku wa ichinen o tooshite hendou shimasu.)
fluctuation definition card — visual illustration of the meaning
noun
/ˌflʌktʃuˈeɪʃən/
変動 (hendou)

A continual change or variation; an irregular rising and falling.

"The fluctuation in stock prices worried the investors."

"株価の変動は投資家を心配させました。" (Kabuka no hendou wa toushika o shinpai sasemashita.)
noun
/fluː/
煙道 (endou)

A pipe or channel for smoke and waste gases produced by a fire, gas heater, or power station.

"The chimney flue needs to be cleaned regularly."

"煙突の煙道は定期的に掃除する必要があります。" (Entotsu no endou wa teikiteki ni souji suru hitsuyou ga arimasu.)
fluency definition card — visual illustration of the meaning
noun
/ˈfluːənsi/
流暢さ (ryūchō-sa)

The ability to speak, write, or perform smoothly and easily.

"Her fluency in English impressed the interviewers."

"彼女の英語の流暢さは面接官を感動させました。" (Kanojo no eigo no ryūchō-sa wa mensetsu-kan o kandō sasenmashita.)
adjective
/ˈfluːənt/
流暢 (ryūchō)

Able to speak, write, or express oneself smoothly and easily.

"She is fluent in both English and Spanish."

"彼女は英語とスペイン語の両方で流暢に話します。" (Kanojo wa eigo to Supeingo no ryōhō de ryūchō ni hanashimasu.)
adjective
/fluːˈɛnʃəl/
影響力のある (eikyōryoku no aru)

Having the power to influence or flowing freely (rare/archaic usage).

"The fluential speaker captivated the entire audience."

"影響力のある話者は、観客全体を魅了しました。" (Eikyōryoku no aru hanasha wa, kankyaku zentai o miryō shimashita.)
adverb
/ˈflu:əntli/
流暢に; スムーズに (ryūchō ni; sumūzu ni)

in a smooth, effortless, and articulate manner; with ease and skill

"She speaks French fluently."

"彼女はフランス語を流暢に話す。" (Kanojo wa furansugo o ryūchō ni hanasu.)
adjective
/ˈflʌfi/
幸せ (shiawase)

soft, light, and airy in texture

"She baked a fluffy cake for the party."

"彼女は賞を受け取ったとき、幸せを隠すことができませんでした。" (Kanojo wa shō o uketotta toki, shiawase o kakusu koto ga dekimasen deshita.)
noun/adjective
/ˈfluːɪd/
流体 (ryūtai)

a substance that can flow easily, such as liquid or gas; smooth and adaptable

"The artist's fluid movements impressed the audience."

"アーティストの流れるような動きは観客を感動させました。" (Ātisuto no nagareru yō na ugoki wa kankyaku o kandō sasemashita.)
fluidity definition card — visual illustration of the meaning
noun
fluˈɪd.ɪ.ti
流動性 (ryūdōsei)

The ability of a substance to flow easily; smooth and graceful movement or style.

"The fluidity of the dancer's movements was mesmerizing."

"ダンサーの動きの流動性は魅惑的でした。" (Dansā no ugoki no ryūdōsei wa miwaku-teki deshita.)
noun
/fluːk/
偶然の幸運 (guuzen no kouun)

A stroke of luck; an unexpected piece of good fortune.

"Winning the lottery was a complete fluke."

"宝くじに当たるのは完全に偶然の幸運だ。" (Takarakuji ni ataru no wa kanzen ni guuzen no kouun da.)
verb
/ˈflʌməks/
困惑させる (konwaku saseru)

To confuse or bewilder someone completely.

"The complicated puzzle flummoxed the students."

"その複雑なパズルは学生を困惑させた。" (Sono fukuzatsu na pazuru wa gakusei wo konwaku saseta.)
adjective
/ˈflʌməksd/
困惑した (konwaku shita)

Completely confused or bewildered.

"He looked flummoxed after hearing the strange question."

"彼はその奇妙な質問を聞いた後、困惑しているように見えた。" (Kare wa sono kimyō na shitsumon o kiita ato, konwaku shite iru yō ni mieta.)
verb, noun, adjective
/flʌʃ/
顔を赤くする / 水で洗浄する (kao o akaku suru / mizu de senjō suru)

to become red in the face, usually from embarrassment, heat, or excitement; to clean something with a flow of water

"She flushed with embarrassment when she realized her mistake."

"彼女は自分のミスに気づいたとき、恥ずかしさで顔が赤くなった。" (Kanojo wa jibun no misu ni kidzuita toki, hazukashisa de kao ga akakunatta.)
verb, noun
/ˈflʌstər/
困惑させる (konwaku saseru)

to make someone agitated or confused

"The unexpected question flustered him."

"予期しない質問が彼を困惑させた。" (Yoki shinai shitsumon ga kare o konwaku saseta.)
adjective
/ˈflʌstərd/
動揺した (dōyō shita)

in a state of confusion or agitation

"She appeared flustered after being asked so many questions."

"彼女はたくさんの質問をされた後、動揺しているように見えました。" (Kanojo wa takusan no shitsumon o sareta ato, dōyō shite iru yō ni miemashita.)
noun
/fluːt/
フルート (furuto)

a musical instrument played by blowing across a hole at one end

"He played a beautiful tune on the flute."

"彼はフルートで美しいメロディーを演奏した。" (Kare wa furuto de utsukushii merodii o ensou shita.)
adjective
/ˈfluːtɪd/
溝が入った (mizu ga haitta)

having grooves or ridges, often for decoration

"The vase had a beautiful fluted design around the rim."

"その花瓶は縁に美しい溝が入ったデザインがありました。" (Sono kabin wa fuchi ni utsukushī mizu ga haitta dezain ga arimashita.)
verb
/ˈflʌtər/
羽ばたく / 震える (habataku / furueru)

to move or flap quickly and lightly; to beat or wave with small rapid motions

"The butterfly began to flutter its wings in the sunlight."

"蝶が日光の中で羽ばたき始めた。" (Chou ga nikkou no naka de habataki hajimeta.)
adjective
/ˈfluːviəl/
河川に関連する (kasen ni kanren suru)

relating to or found in a river

"The fluvial deposits indicated the presence of an ancient river system."

"河川堆積物は古代の川のシステムの存在を示していた。" (Kasen taisekimono wa kodai no kawa no shisutemu no sonzai o shimeshite ita.)
flux definition card — visual illustration of the meaning
noun
/flʌks/
フロー (furō)

continuous change or movement; the rate of flow of something

"The company was in a state of constant flux during the reorganization."

"会社は再編成の間、絶え間ない変化の中にありました。" (Kaisha wa sai hensei no aida, tae manai henka no naka ni arimashita.)
fly definition card — visual illustration of the meaning
verb
/flaɪ/
飛ぶ (tobu)

to move through the air using wings or by being carried by the wind or an aircraft

"The birds fly south for the winter."

"鳥は冬に南へ飛んでいきます。" (Tori wa fuyu ni minami e tonde ikimasu.)
adjective
/ˈflaɪɪŋ/
飛んでいる (tondeiru)

able to move through the air; related to flight or aircraft

"The flying bird disappeared into the clouds."

"飛んでいる鳥は雲の中に消えました。" (Tondeiru tori wa kumo no naka ni kiemashita.)
flying cars definition card — visual illustration of the meaning
noun
ˈflaɪ.ɪŋ kɑːrz
空飛ぶ車 (sora tobu kuruma)

Vehicles that can travel both on roads and in the air.

"Flying cars could soon solve urban traffic congestion."

"空飛ぶ車はすぐに都市の交通渋滞の問題を解決できるでしょう。" (Sora tobu kuruma wa sugu ni toshi no koutsuu juutai no mondai wo kaiketsu dekiru deshou.)
noun
/ˈflaɪ.ɪŋ ˈkriː.tʃər/
飛行生物 (hikou seibutsu)

any animal that has the ability to fly through the air

"Birds, bats, and insects are all examples of flying creatures."

"鳥、コウモリ、昆虫は飛行生物の例です。" (tori, koumori, konchuu wa hikou seibutsu no rei desu.)
noun
/foʊl fʊt/
馬のひづめの花 (uma no hidzume no hana)

a yellow flowering plant with leaves shaped like a horse's hoof, also known as coltsfoot

"The foal-foot plant grows wild in many meadows and is often the first flower to bloom in spring."

"馬のひづめの花の植物は多くの草地で野生で成長し、春に最初に咲く花の一つです。" (Uma no hidzume no hana no shokubutsu wa ōku no sōchi de yasei de seichō shi, haru ni saisho ni saku hana no hitotsu desu.)
noun
/foʊm/
(awa)

a mass of small bubbles formed on or in liquid; frothy white mass

"The waves crashed against the rocks, creating white foam on the shore."

"波が岩にぶつかり、浜辺に白い泡を作った。" (Nami ga iwa ni butsukari, hamabe ni shiroi awa wo tsukutta.)
focus definition card — visual illustration of the meaning
verb
/ˈfoʊ.kəs/
集中する (shūchū suru)

to direct attention or effort on something specific

"She needs to focus on her studies."

"彼女は勉強に集中する必要があります。" (Kanojo wa benkyō ni shūchū suru hitsuyō ga arimasu.)
focus tracking definition card — visual illustration of the meaning
noun
/ˈfoʊ.kəs ˈtræk.ɪŋ/
フォーカス追跡 (fōkasu tsuiseki)

A technique of monitoring and maintaining attention on specific tasks or goals.

"Proper focus tracking improves productivity."

"適切なフォーカス追跡は生産性を向上させます。" (Tekisetsu na fōkasu tsuiseki wa seisansei o kōjō sasemasu.)
focused definition card — visual illustration of the meaning
adjective
/ˈfəʊkəst/
集中 (shūchū)

Directing a great deal of attention or effort toward a particular activity, situation, or person.

"Staying focused during work hours enhances productivity."

"勤務時間中に集中することで生産性が向上します。" (Kinmu jikan-chū ni shūchū suru koto de seisansei ga kōjō shimasu.)
noun
/ˈfɒdər/
飼料 (shiryō)

food for livestock such as cattle, horses, or sheep; also something considered of little value but used to supply a demand

"The farmer stored enough fodder for the cattle to last through winter."

"農家は家畜が冬を越せるように十分な飼料を貯めておいた。" (Nōka wa kachiku ga fuyu o koseru yō ni jūbun'na shiryō o tamete oita.)
⚔️

foe (fo)

noun
/foʊ/
(teki)

an enemy or opponent

"The knight fought bravely against his foe."

"騎士は勇敢に自分の敵と戦った。" (Kishi wa yūkan ni jibun no teki to tatakatta.)
adjective
/ˈfiːtɪd/
腐った (kusatta)

having an offensive, unpleasant smell

"The foetid smell from the garbage made it hard to breathe."

"ゴミからの腐った臭いで呼吸が困難になった。" (Gomi kara no kusatta nioi de kokyū ga konnan ni natta.)
noun
/fɒɡ/
(kiri)

a thick cloud of tiny water droplets suspended in the air near the ground that reduces visibility

"The airplane was delayed due to heavy fog."

"濃い霧のため、飛行機が遅れました。" (Koi kiri no tame, hikouki ga okuremashita.)
adjective
/ˈfɒɡi/
霧の (kiri no)

Full of or covered with fog; unclear or hazy.

"The mountain road was dangerous on the foggy morning."

"山道は霧の朝に危険でした。" (Yamami chi wa kiri no asa ni kiken deshita.)
noun
/ˈfɔɪbəl/
小さな弱点 (chiisana jakuten)

A minor weakness or eccentricity in someone's character.

"She loved him despite his little foibles."

"彼女は彼の小さな弱点を気にせずに彼を愛していた。" (Kanojo wa kare no chiisana jakuten o ki ni sezu ni kare o aishite ita.)
verb
/fɔɪl/
阻止する (soshi suru)

To prevent something (especially a plan) from succeeding.

"The police foiled the robbery attempt."

"警察は強盗未遂を阻止した。" (Keisatsu wa gōtō misui wo soshi shita.)
verb
/fɔɪst/
押し付ける (oshitsukeru)

To impose something unwelcome or unnecessary on someone.

"He tried to foist his old books onto his friends."

"彼は友達に自分の古い本を押し付けようとしました。" (Kare wa tomodachi ni jibun no furui hon o oshitsukeyou to shimashita.)
📄

fold

verb
/fəʊld/

to bend something, especially paper or cloth, so that one part covers another

"She folded the letter neatly before placing it in the envelope."