fetus
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C1 noun /ˈfiːtəs/

fetus

胎児
Meaning
an unborn or unhatched offspring in the womb or egg
Example
The doctor explained the development of the fetus during pregnancy.
医師は妊娠中の胎児の発達について説明しました。
C2 adjective /ˈfiːkənd/

fecund

肥沃な, 生産的な
Meaning
producing or capable of producing an abundance of offspring or new growth; fertile
Example
The fecund soil produced a bountiful harvest this year.
肥沃な土壌は今年豊かな収穫をもたらしました。
B2 noun ˈfreɪm.wɜːks

frameworks

枠組み
Meaning
A basic structure underlying a system, concept, or text; an essential supporting structure.
Example
Frameworks define the basis of systems.
枠組みはシステムの基盤を定義します。
A2 noun /fæt/

Fat

脂肪
Meaning
a natural oily substance occurring in animal bodies; lipid used in cooking
Example
Too much fat in your diet can be unhealthy.
食生活における過剰な脂肪は健康に悪影響を及ぼす可能性があります。
B1 noun /ˈfæn.si/

Fancy

興味; 想像やファンタジー
Meaning
a feeling of liking or wanting something; imagination or fantasy
Example
The child had a fancy for becoming a famous astronaut when he grew up.
その子供は大きくなったら有名な宇宙飛行士になることを夢見ていました。
C1 noun /fɔːrˈkloʊʒər/

foreclosure

差し押さえ
Meaning
The legal process by which a lender takes control of a property from a borrower who has failed to make payments.
Example
The family lost their home due to foreclosure after missing several mortgage payments.
その家族は複数回のモーゲージ支払いを逃したため、差し押さえで家を失いました。
B2 adjective, noun, verb /faʊl/

foul

Meaning
offensive to the senses; dirty or unpleasant; in sports, an unfair or illegal act
Example
The player was penalized for committing a foul.
C1 noun /fruːˈɡæl.ə.ti/

frugality

倹約
Meaning
The quality of being economical in use or expenditure; not wasteful.
Example
Frugality is essential for saving money effectively.
倹約はお金を効果的に節約するために不可欠です。
B2 adverb /ˈfɜ:rmli/

Firmly

しっかりと
Meaning
in a strong, steady, and unwavering manner
Example
She firmly believed in her decision.
彼女は自分の決定に固く信じていた。
C2 adjective /ˈfraʊzi/

frowzy

だらしない
Meaning
Unkempt, messy, or having a musty, unpleasant smell.
Example
He entered the room with a frowzy appearance after sleeping on the couch.
彼はソファで寝た後、だらしない外見で部屋に入ってきました。
C1 noun/verb /fliːs/

fleece

Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
A2 noun ˈfɔːrɪsts

Forests

森
Meaning
Large areas covered with trees and undergrowth, providing natural habitats for wildlife.
Example
Forests provide shelter and food for butterflies.
森は蝶々にとって避難所と食料を提供します。
A1 noun /fʌn/

fun

楽しみ
Meaning
enjoyment, amusement, or light-hearted pleasure
Example
We had a lot of fun at the party.
パーティーでとても楽しみました。
A2 noun, verb /fɔːrm/

form

形 / フォーム
Meaning
the shape or structure of something; to bring something into existence
Example
Students filled out the registration form.
学生たちは登録フォームを記入しました。
C1 noun /faɪˈnælɪti/

finality

決定的な性質
Meaning
the quality of being final or irreversible; a sense of conclusiveness
Example
The judge's decision gave the case a sense of finality.
裁判官の決定はその事件に決定的な感覚を与えた。
A1 number /ˌfɪfˈtiːn/

fifteen

十五
Meaning
the number 15
Example
There are fifteen students in the class.
クラスには十五人の生徒がいます。
C1 noun, verb /fɔːrd/

ford

浅瀬
Meaning
A shallow place in a river where one can cross; to cross a river at such a place.
Example
The travelers decided to ford the river at dawn.
旅行者たちは夜明けに川を渡ることに決めました。
B2 noun /ˈfɒsɪl/

fossil

化石
Meaning
the remains or impression of a prehistoric plant or animal embedded in rock
Example
The fossil of a dinosaur was discovered in the mountains.
山で恐竜の化石が発見されました。
B2 adjective /ˈfeɪvərəbl/

favourable

好都合な
Meaning
Expressing approval, support, or positivity; advantageous or beneficial
Example
The weather conditions were favourable for the outdoor event.
屋外イベントの天候は好都合でした。
A2 noun /flʌd/

Flood

洪水
Meaning
an overflow of a large amount of water beyond its normal limits
Example
The heavy rain caused a flood in the village.
激しい雨が村に洪水を引き起こした。
C2 verb /ˈfæmɪʃ/

famish

飢える
Meaning
to suffer or cause to suffer from extreme hunger
Example
The stranded hikers began to famish after several days without food.
数日間食べ物がなくて、遭難したハイカーたちは飢えることを始めた。
B2 verb /feɪd/

fade

色あせる
Meaning
To gradually lose brightness, color, or strength.
Example
The colors of the old photo have started to fade.
古い写真の色が薄れてきた。
B1 noun /fɒɡ/

Fog

霧
Meaning
a thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface that reduces visibility
Example
Dense fog covered the highway this morning.
今朝、濃霧が高速道路を覆いました。
B1 adjective /fɒnd/

fond

好き
Meaning
having a strong liking or affection for something or someone
Example
She is fond of painting and spends hours in front of her canvas.
彼女は絵を好きで、キャンバスの前で何時間も過ごします。
C2 noun /ˈfɜːrðərəns/

furtherance

促進
Meaning
The advancement or promotion of something.
Example
The new policy was introduced in furtherance of social justice.
新しい政策は社会的正義の促進のために導入されました。
C1 noun /ˈfæk.ʃən/

Faction

派閥
Meaning
a small organized dissenting group within a larger one
Example
Different factions within the party disagreed about the new policy.
党内の異なる派閥は新しい政策に対して意見が一致しませんでした。
B2 noun /ˌfiː.ɑːnˈseɪ/

Fiance

婚約者
Meaning
a man who is engaged to be married
Example
Sarah introduced her fiance to her parents during the family dinner.
サラは家族の夕食の際に婚約者を両親に紹介しました。
C2 adjective /ˈfɪt.fəl/

fitful

不規則な
Meaning
occurring in irregular bursts; not continuous or steady
Example
He had a fitful sleep due to the storm.
嵐のせいで彼は不規則な眠りをしていた。
B2 adjective /ˈfʌŋkʃənl/

functional

機能的
Meaning
designed to be practical and useful, rather than just decorative
Example
The design of the chair is simple but highly functional.
椅子のデザインはシンプルですが、非常に機能的です。
A1 verb /fiːl/

Feel

感じる; 経験する; 触れる
Meaning
to experience an emotion or physical sensation; to touch something
Example
I feel happy when I see my friends.
友達を見ると、私は幸せを感じます。
C2 verb /fɔːrˈdʒʌdʒ/

forejudge

前もって判断する
Meaning
To judge beforehand without adequate information.
Example
It is unfair to forejudge someone without knowing the facts.
事実を知らずに誰かを前もって判断するのは不公平です。
C1 verb, noun /ˈflʌstər/

fluster

困惑させる
Meaning
to make someone agitated or confused
Example
The unexpected question flustered him.
予期しない質問が彼を困惑させた。
C1 adjective /ˌfɑːrˈfɛtʃt/

far-fetched

信じがたい
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late was a bit far-fetched.
彼の遅刻の理由は少し信じがたいものでした。
C1 adjective /ˈfrɛn.zid/

frenzied

狂乱
Meaning
Wildly excited or uncontrolled
Example
The frenzied crowd cheered as the band took the stage.
狂乱の群衆は、バンドがステージに上がると歓声を上げました。
C1 verb /fɔrˈstɔl/

forestall

事前に防ぐ
Meaning
to prevent by acting in advance; to anticipate and counter
Example
They forestalled the crisis by taking immediate action.
彼らは即座に行動することで危機を回避した。
C2 noun /ˈflæt.ər.ər/

Flatterer

お世辞を言う人
Meaning
a person who lavishes praise, often insincerely and in order to gain advantage
Example
The king was surrounded by flatterers who only told him what he wanted to hear.
王様はお世辞を言う人たちに囲まれて、彼が聞きたいことだけを言ってもらった。
C2 noun /ˌfjuːzɪˈleɪd/

fusillade

集中射撃
Meaning
A series of shots fired or missiles thrown all at the same time or in quick succession.
Example
The soldiers advanced under a fusillade of bullets.
兵士たちは集中射撃の中で前進した。
B1 noun /ˈfʌndɪŋ/

funding

資金調達
Meaning
financial support for a project or organization
Example
The startup is seeking funding from investors.
スタートアップは投資家から資金調達を試みています。
B2 noun /ˈfʌndˌreɪzɪŋ/

fundraising

資金調達
Meaning
the process of collecting money for a cause or project
Example
The organization is organizing a fundraising event.
その組織は資金調達イベントを開催しています。
C2 noun /ˈfɔɪbəl/

foible

小さな弱点
Meaning
A minor weakness or eccentricity in someone's character.
Example
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。
B1 adjective /ˈfriːkwənt/

Frequent

頻繁
Meaning
happening often; occurring regularly; repeated
Example
He makes frequent visits to his grandmother.
彼は頻繁に祖母を訪れます。
A1 noun /ˈflaʊər/

flower

花
Meaning
the seed-bearing part of a plant, often colorful and fragrant, that blossoms
Example
The garden was full of colorful flowers.
庭はカラフルな花でいっぱいでした。
C1 adjective /ˈfrɪvələs/

frivolous

取るに足らない
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
彼女は取るに足らない苦情をすぐに却下しました。
C2 noun /ˈfetiʃ/

fetich

フェティッシュ
Meaning
an object believed to have magical powers or to be inhabited by a spirit
Example
The villagers treated the statue as a powerful fetich.
村人たちはその像を強力なフェティッシュとして扱っていました。
C1 adjective, adverb (informal, vulgar) /ˈfʌkɪŋ/

fucking

クソ (強調のための卑猥な言葉)
Meaning
used for emphasis, often expressing anger or frustration (vulgar slang)
Example
It was a fucking disaster!
それはクソみたいな災害だった！
B2 noun /feɪt/

Fate

運命
Meaning
the development of events beyond a person's control, regarded as determined by a supernatural power
Example
Many people believe that fate determines the course of their lives.
多くの人々は運命が彼らの人生の進行方向を決定すると信じています。
B2 adjective /ˈflɔː.ləs/

Flawless

完璧な; 欠陥なし
Meaning
perfect; without any defects or faults; immaculate
Example
Her flawless performance earned her a standing ovation.
彼女の完璧なパフォーマンスは、スタンディングオベーションを得た。
A2 noun /ˈfɔːrɪst/

Forest

森
Meaning
a large area covered chiefly with trees and undergrowth
Example
We went hiking in the dense forest yesterday.
昨日、私たちは密林をハイキングしました。
C1 noun /fɪˈnɑːleɪ/

finale

フィナーレ
Meaning
the last part or conclusion of a performance, event, or series
Example
The concert ended with a spectacular finale.
コンサートは壮観なフィナーレで終わりました。
C1 noun /ˈfʊtˌnoʊt/

foot-note

脚注
Meaning
A note of reference, explanation, or comment placed at the bottom of a page.
Example
The author included a foot-note to explain the historical context.
著者は歴史的な文脈を説明するために脚注を追加しました。
A1 noun /ˈfraɪ.deɪ/

friday

金曜日
Meaning
the day of the week following Thursday and preceding Saturday
Example
We have a team meeting every Friday afternoon.
私たちは毎週金曜日の午後にチーム会議があります。
C2 adjective /ˈfɒp.ɪʃ/

Foppish

自分の外見や服に過剰にこだわる; 服装にうぬぼれがある
Meaning
excessively concerned with one's appearance and clothes; vain about dress
Example
His foppish behavior and expensive clothes made him stand out.
彼のフォピッシュな態度と高価な服は彼を目立たせました。
B2 adverb /ˈfræŋkli/

Frankly

率直に; 正直に;
Meaning
honestly; openly; in a direct manner
Example
Frankly, I think this plan needs more consideration.
率直に言うと、この計画にはもっと考慮が必要だと思います。
C2 adjective /ˈfæl.oʊ/

fallow

休耕地
Meaning
Describing land that is left unplanted for a period to restore its fertility, allowing soil to recover nutrients and break pest and disease cycles.
Example
Farmers leave their fields fallow to restore soil fertility.
農家は土壌の肥沃度を回復させるために畑を休ませます。
B2 verb /ˈfɪltər/

filter

フィルター
Meaning
to pass a substance through a device to remove unwanted material or to selectively pass certain items
Example
She used a coffee filter to separate the grounds from the liquid.
彼女は液体から粉を分けるためにコーヒーフィルターを使った。
A1 preposition /frəm/ or /frʌm/

from

から
Meaning
Used to indicate the starting point of a journey, action, or source.
Example
She came from Dhaka to visit her family.
彼女はダッカから家族を訪ねて来ました。
C2 verb /fɔɪst/

foist

押し付ける
Meaning
To impose something unwelcome or unnecessary on someone.
Example
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。
C2 verb /fleɪl/

flail

何かを激しく振る; 必死に動く
Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
彼は水に浮かぶために腕を振った。
C2 adjective /ˈflɒrɪd/

florid

過度に装飾された / 赤みがかった
Meaning
Having a red or flushed complexion; or excessively ornate and intricate.
Example
The speaker’s florid style made the lecture hard to follow.
講演者の過度に装飾されたスタイルは、講義を理解するのを難しくした。
C1 noun /ˈfɔːrɡraʊnd/

foreground

前景
Meaning
the part of a scene that is nearest to and in front of the viewer
Example
The flowers in the foreground brightened the picture.
前景にある花が絵を明るくしました。
C1 adjective /fəˈroʊ.ʃəs/

Ferocious

凶暴な, 激しい, 残忍な
Meaning
savagely fierce, cruel, or violent; extremely aggressive
Example
The ferocious storm destroyed many houses in the coastal area.
激しい嵐は沿岸地域の多くの家を破壊しました。
B2 noun /ˈfɔːr.kæst/

Forecast

天気予報
Meaning
a prediction or estimate of future events, especially coming weather conditions
Example
The weather forecast predicted heavy rain for the entire weekend.
天気予報は週末全体で大雨を予測しました。
A2 noun /ˈfɪɡ.jər/

Figure

図形; 画像; 数字;
Meaning
a number, especially one which forms part of official statistics; the shape of a human body
Example
The sales figure for this quarter exceeded all expectations.
この四半期の売上数字はすべての予想を超えました。
B1 noun/verb /ˈfaɪtɪŋ/

fighting

戦い
Meaning
the act of engaging in a physical or verbal conflict
Example
The soldiers were fighting bravely on the battlefield.
兵士たちは戦場で勇敢に戦っていました。
C1 adverb /ˈfɜː.vənt.li/

Fervently

熱心に; 熱烈に;
Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
彼女は自分の夢が実現することを熱心に願っていました。
C2 noun /ˈfɔːrˌseɪl/

foresail

フォアセイル
Meaning
The principal sail set on the foremast of a sailing vessel.
Example
The crew adjusted the foresail to catch the wind.
乗組員は風を捉えるためにフォアセイルを調整しました。
C1 adjective /ˈfeɪt.fəl/

fateful

運命的または致命的
Meaning
having significant or disastrous consequences
Example
Their fateful decision changed the course of history.
彼らの運命的な決定は歴史の流れを変えました。
C2 adjective /ˈfʊl.səm/

fulsome

過剰な賞賛
Meaning
Excessively flattering or insincere; abundant or generous in amount.
Example
He offered fulsome praise to his boss.
彼は上司に過剰な賞賛を提供しました。
B2 noun ˈfreɪm.wɜːk

framework

枠組み
Meaning
An essential supporting structure of a building, vehicle, or object; a basic structure underlying a system, concept, or text.
Example
A strong framework is vital for governance.
強力な枠組みはガバナンスにとって重要です。
C1 adjective fæsˈtɪd.i.əs

fastidious

几帳面な
Meaning
Very attentive to and concerned about accuracy and detail.
Example
She is fastidious about maintaining cleanliness.
彼女は清潔を保つことにとても几帳面だ。
C2 noun /fəˈlɪsɪti/

felicity

幸福
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
彼女は会話の中での幸福と明るい性格で知られていました。
C1 noun /ˈfɔːrˌbɛər/

forebear

先祖
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
彼はしばしば自分の先祖について尊敬を込めて話します。
B2 noun /ˈfreɪ.ɡrəns/

Fragrance

香り; 香水
Meaning
a pleasant, sweet smell; a perfume or cologne
Example
The fragrance of jasmine flowers filled the entire garden in the evening.
ジャスミンの花の香りが夕方、庭全体に広がった。
C1 verb /ˈfʌmbəl/

fumble

不器用にする
Meaning
to handle something clumsily or to make mistakes while doing something
Example
He fumbled with the keys and dropped them on the floor.
彼は鍵で手間取って、それらを床に落としました。
A2 verb /fərˈɡɪv/

forgive

許す
Meaning
to stop feeling angry or resentful toward someone; to pardon
Example
She decided to forgive him for his mistakes.
彼女は彼の間違いを許すことに決めました。
C2 adjective /ˈfɪliəl/

filial

息子や娘に関する; 親への敬意や愛情を示すこと
Meaning
relating to a son or daughter; showing respect or affection toward parents
Example
He showed filial respect by caring for his aging parents.
彼は年老いた両親の世話をすることでフィリアルな敬意を示しました。
C2 noun /ˈfʌstɪən/

fustian

浮かれたスピーチ
Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
政治家のスピーチは浮かれた言葉と空っぽの約束でいっぱいだった。
C2 noun /ˈfɪlɪɡri/

filigree

繊細な装飾細工、通常は金または銀で作られた
Meaning
delicate ornamental work of fine wire, usually of gold or silver
Example
The necklace was decorated with intricate gold filigree.
ネックレスは複雑な金のフィリグリーで飾られていました。
B1 noun /ˌfɜːrst eɪd kɪt/

first aid kit

救急箱
Meaning
A collection of medical supplies for giving initial treatment in emergencies
Example
I always keep a first aid kit in my car for emergencies.
私は常に車に救急箱を置いて、緊急時に備えています。
A1 verb /faɪnd/

find

見つける
Meaning
to discover or locate something that was lost or hidden
Example
I can't find my keys anywhere.
私はどこにも鍵を見つけられません。
C2 adjective /ˈfjuːzəbl/

fusible

融解可能な
Meaning
Capable of being melted or fused.
Example
The engineer used a fusible alloy in the experiment.
エンジニアは実験で融解可能な合金を使用しました。
C1 verb /fɔːrˈɡoʊ/

forgo

控える
Meaning
to decide not to do or have something
Example
She decided to forgo dessert to maintain her diet.
彼女はダイエットを維持するためにデザートを控えることを決めました。
B2 noun /foʊm/

Foam

泡
Meaning
a mass of small bubbles formed on or in liquid; frothy white mass
Example
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。
B1 noun /ˈfeɪvər/

favor

お願い
Meaning
An act of kindness or approval.
Example
She asked him for a small favor.
彼女は彼に小さなお願いをした。
C1 noun /fɪˈnænʃɪər/

financier

金融家
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
金融家は会社に投資に関するアドバイスをしました。
B2 noun /ˈfɔːr.hed/

Forehead

額
Meaning
the part of the face above the eyebrows and below the hairline
Example
He wiped the sweat from his forehead.
彼は額から汗を拭った。
C2 noun /foʊl fʊt/

Foal-foot

馬のひづめの花
Meaning
a yellow flowering plant with leaves shaped like a horse's hoof, also known as coltsfoot
Example
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。
C2 adjective /fəˈlɪsɪtəs/

felicitous

適切な、ふさわしい、または楽しい; 幸運や幸福で特徴付けられる
Meaning
well-chosen, appropriate, or pleasing; marked by good fortune or happiness
Example
She made a felicitous remark that lightened the mood.
彼女は気分を軽くする適切なコメントをしました。
A1 adjective /ˈfeɪ.məs/

famous

有名
Meaning
Known about by many people; renowned.
Example
This area is famous for its unique heritage.
この地域はそのユニークな遺産で有名です。
B2 noun, verb /ˈfaɪlɪŋ/

filing

書類提出; 書類の整理
Meaning
the act of submitting documents; the process of organizing papers
Example
The lawyer handled the filing of all court documents.
弁護士はすべての裁判所文書の提出を扱いました。
B2 adjective /ˈfɔːrtʃənət/

fortunate

幸運な
Meaning
Having good luck or receiving something desirable by chance.
Example
She was fortunate to escape the accident without injuries.
彼女は事故で怪我をすることなく逃げることができて幸運だった。
A2 verb /faɪt/

fight

戦う
Meaning
to engage in battle or combat; to struggle against
Example
The soldiers fight for their country.
兵士たちは自国のために戦っています。
C2 adjective /ˈfɜːr.vɪd/

Fervid

情熱的な; 非常に熱心な; 感情で燃えている
Meaning
passionate; intensely enthusiastic; burning with emotion
Example
She gave a fervid speech about environmental protection.
彼女は環境保護についての熱烈なスピーチをしました。
B2 verb, adjective /ˈfɒstər/

foster

育てる
Meaning
to encourage the development of something; to raise a child that is not one's own
Example
The program aims to foster creativity in young students.
そのプログラムは若い学生たちに創造力を促進することを目的としています。
C1 noun /ˈfɪɡjərˌhɛd/

figurehead

名目上の指導者
Meaning
a nominal leader with no real power; a symbolic head
Example
The king was merely a figurehead with no real authority.
王は実際の権限を持たない象徴的な指導者に過ぎなかった。
B2 noun /ˈfjuː.nər.əl/

Funeral

葬式
Meaning
a ceremony typically held shortly after a person's death, usually including burial or cremation
Example
Hundreds of people attended the funeral to pay their respects to the beloved teacher.
何百人もの人々が葬式に出席し、愛された教師に敬意を表しました。
C1 noun ˈfæl.ə.si

fallacy

誤り, 偽りの信念, 誤った推論
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
成功が簡単に得られるという考えは誤りです。
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

犯罪や法的問題に適用される科学的分析
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
法医学の専門家は、先進的なツールを使用してサイバー犯罪を分析します。
B1 adverb /ˈfɔːtʃənətli/

fortunately

幸いにも
Meaning
by good luck; luckily
Example
Fortunately, no one was injured in the accident.
幸いにも、事故で誰も怪我をしませんでした。
B1 noun /ˈfæktər/

factor

要因
Meaning
A circumstance, fact, or influence that contributes to a result.
Example
Weather is an important factor in crop production.
天候は作物生産において重要な要因です。
A2 adverb/adjective/verb /ˈfɜːrðər/

further

進める
Meaning
At a greater distance; to advance or promote something.
Example
She studied hard to further her career.
彼女はキャリアを進めるために一生懸命勉強した。
B1 noun /ˈfeɪ.ljər/

Failure

失敗
Meaning
lack of success; an unsuccessful person, enterprise, or thing
Example
The project's failure was due to poor planning and communication.
プロジェクトの失敗は、計画とコミュニケーションの不備によるものでした。
C1 adjective /ˈfiːlaɪn/

feline

猫に関する
Meaning
relating to or characteristic of cats
Example
Her movements were graceful and almost feline in their elegance.
彼女の動きは優雅で、ほとんど猫のようだった。
C1 verb /ˈfɪdʒɪt/

fidget

そわそわする、落ち着かない
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
子供は長い講義中に落ち着かなくなり始めました。
B2 noun /ˈfrɛʃnəs/

freshness

新鮮さ
Meaning
The quality of being new, clean, and full of energy.
Example
The freshness of the morning air made everyone feel alive.
朝の新鮮な空気で、みんなが生き生きと感じました。
C1 noun /frɪndʒ/

fringe

装飾的縁 / 端
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
フェスティバルには小さな独立したパフォーマンスの端がありました。
B2 adverb /ˈfɔːrməli/

formally

正式に
Meaning
in a formal or official manner; according to established rules or conventions
Example
The agreement was formally signed by both parties.
その合意は両当事者によって正式に署名された。
B2 verb /fʊlˈfɪl/

fulfil

果たす
Meaning
to complete or achieve something that was expected or promised; to satisfy a requirement or desire
Example
She worked hard to fulfil her dream of becoming a doctor.
彼女は医者になる夢を果たすために一生懸命働いた。
B2 noun /ˈfaʊn.dər/

Founder

創設者
Meaning
a person who establishes an institution or settlement; someone who starts or creates something
Example
Steve Jobs was the co-founder of Apple Inc. and revolutionized personal computing.
スティーブ・ジョブズはApple Inc.の共同創設者で、個人用コンピュータを革新しました。
C2 noun /foʊ ˈpɑː/

faux pas

社会的な失敗
Meaning
a social blunder or mistake in etiquette
Example
He committed a major faux pas by forgetting her birthday.
彼は彼女の誕生日を忘れて大きな社会的な失敗を犯した。
B2 noun /ˈfɪlmˌmeɪkər/

film-maker

映画製作者
Meaning
A person who directs or produces films
Example
The film-maker received an award for his latest documentary.
映画製作者は最新のドキュメンタリーで賞を受賞しました。
B2 adjective /ˈfeɪvərəbəl/

favorable

好ましい
Meaning
expressing approval or support; advantageous
Example
The weather conditions were favorable for the outdoor event.
屋外イベントには好ましい天候でした。
B2 noun /ˈfækəlti/

faculty

能力、学部
Meaning
an inherent mental or physical ability; a division of a university
Example
She has a remarkable faculty for languages.
彼女は言語に対して驚異的な能力を持っています。
A2 noun /fɔːrk/

Fork

フォーク
Meaning
a tool with two or more prongs used for eating or serving food
Example
Please use a fork to eat your salad.
サラダを食べるためにフォークを使ってください。
C1 noun /ˈfaɪərɑːm/

firearm

火器
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
警察は調査中に隠された銃器を発見しました。
B2 noun ˈflæʃkɑːrdz

flashcards

フラッシュカード
Meaning
Cards containing small amounts of information, held up for students to see, as an aid to learning.
Example
Flashcards help in quick memorization.
フラッシュカードは迅速な記憶に役立ちます。
C1 noun /ˈfɔːrsəm/

foursome

四人組
Meaning
a group of four people or things, especially in games or social activities
Example
The foursome enjoyed a game of golf together.
四人組は一緒にゴルフを楽しみました。
A1 noun /fuːd/

food

食べ物
Meaning
any nutritious substance that people or animals eat or drink to maintain life and growth
Example
Rice is a common food in Asia.
ご飯はアジアでは一般的な食べ物です。
C2 adjective /ˈfluːtɪd/

fluted

溝が入った
Meaning
having grooves or ridges, often for decoration
Example
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。
A2 noun /ˈflaɪ.ɪŋ ˈkriː.tʃər/

Flying creature

飛行生物
Meaning
any animal that has the ability to fly through the air
Example
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。
B2 adjective, verb (present participle) /ˈfloʊtɪŋ/

floating

浮かんでいる
Meaning
remaining on the surface of a liquid without sinking; moving lightly or freely
Example
The boat was floating gently on the calm lake.
ボートは穏やかな湖の上で優しく浮かんでいた。