Fraction
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B2 noun /ˈfræk.ʃən/

Fraction

分数; 部分
Meaning
a numerical quantity that is not a whole number; a small or tiny part of something
Example
Only a small fraction of the population voted in the local election.
地方選挙で投票したのは人口のごく一部に過ぎなかった。
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。
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。
C1 noun /ˈfoʊk.lɔːr/

folk-lore

民間伝承
Meaning
The traditional beliefs, customs, stories, songs, and practices of a community, passed down through generations.
Example
Bangladeshi folk-lore is rich with myths and legends.
日本の民間伝承は神話や伝説で豊かです。
C2 noun /ˈfɔːθ.raɪt.nəs/

forthrightness

坦率さ
Meaning
The quality of being honest and straightforward; directness.
Example
Her forthrightness made her a respected journalist.
Her forthrightness made her a respected journalist.
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。
A2 adjective /ˈfɔːrməl/

formal

正式
Meaning
done in accordance with rules of convention or etiquette; official or serious in nature
Example
He wore a formal suit to the wedding.
彼は結婚式でフォーマルなスーツを着ていました。
B2 noun /ˈfaɪbər/

fiber

繊維
Meaning
a thread or filament from which a textile is formed; dietary substance from plants that aids digestion
Example
Fruits and vegetables are high in fiber.
果物と野菜は繊維が豊富です。
A1 noun /faɪv/

five

五
Meaning
The number 5; one more than four and one less than six.
Example
She bought five apples from the market.
彼女は市場で五つのリンゴを買いました。
C1 noun /ˈfæs.ɪt/

facet

側面, 部分, 特徴
Meaning
One of the many aspects or features of something; a particular part or element of something.
Example
Every facet of the project was carefully analyzed.
プロジェクトの各側面は慎重に分析されました。
C1 noun, verb /ˈfɜːrloʊ/

furlough

一時休職
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
多くの労働者は危機の間に休職させられました。
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。
B1 noun ˈfæmɪli triː

Family Tree

家系図
Meaning
A diagram showing the relationships between people in several generations of a family.
Example
Creating a family tree helps understand family history.
家系図を作成することは、家族の歴史を理解するのに役立ちます。
C2 adjective /fjuːˈɡeɪʃəs/

fugacious

儚い
Meaning
Lasting only a short time; fleeting or ephemeral.
Example
Youth is beautiful but fugacious.
青春は美しいが、儚い。
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。
B1 verb /floʊt/

float

浮かぶ
Meaning
to rest or move on the surface of a liquid or in the air without sinking
Example
The boat began to float gently down the river.
ボートは静かに川を下って浮かび始めました。
A2 noun /ˈfer.i.teɪl/

Fairy-tale

おとぎ話
Meaning
a children's story about magical and imaginary beings and lands
Example
Children love listening to fairy-tales before bedtime.
子供たちは寝る前におとぎ話を聞くのが大好きです。
C1 verb /ˈfɔːlsɪfaɪ/

falsify

偽造する
Meaning
to make something false or to misrepresent
Example
He tried to falsify the documents to avoid taxes.
彼は税金を避けるために書類を偽造しようとした。
C1 noun /ˈfɔːr.tɪ.tjuːd/

fortitude

不屈
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
彼女は困難に立ち向かう強い意志を持っていました。
C1 verb /flɔːnt/

flaunt

誇示する
Meaning
to show off something proudly, often to attract attention
Example
She likes to flaunt her new jewelry at parties.
彼女はパーティーで新しいジュエリーを誇示するのが好きです。
C1 adjective /ˈflʌstərd/

flustered

動揺した
Meaning
in a state of confusion or agitation
Example
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。
C2 adjective /ˈfʌndʒəbl/

fungible

代替可能な
Meaning
interchangeable; able to replace or be replaced by another identical item
Example
In finance, money is considered a fungible asset.
金融業界では、貨幣は代替可能な資産と見なされています。
B2 noun /flɛkˈsɪbɪləti/

flexibility

柔軟性
Meaning
The quality of bending easily without breaking; willingness to change or compromise.
Example
The flexibility of the working hours made it easier to balance work and personal life.
労働時間のフレキシビリティにより、仕事とプライベート生活のバランスが取りやすくなった。
B1 verb /fərˈbɪd/

forbid

禁じる
Meaning
to order someone not to do something
Example
The school forbids smoking on campus.
学校はキャンパス内での喫煙を禁じています。
B1 noun /feɪk/

Fake

偽物; 詐欺; 偽の物
Meaning
a thing that is not genuine; a forgery or sham
Example
The painting was discovered to be a fake worth very little money.
その絵画は偽物であると発見され、その価値は非常に低かった。
A2 noun /ˈfiːtʃər/

feature

特徴
Meaning
a distinctive attribute or aspect of something; a characteristic
Example
The new phone has a unique camera feature.
新しい電話にはユニークなカメラの特徴があります。
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

フローラとファウナ
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
ガラパゴス諸島には独特のフローラとファウナがあります。
B2 noun ˈfrʌn.tɪərz

frontiers

最前線
Meaning
The extreme limit of settled land beyond which lies wilderness; the limits of knowledge or achievement in a particular field.
Example
The project pushes the frontiers of space exploration.
このプロジェクトは宇宙探査の最前線を押し広げています。
B1 noun /ˈfɔːr.mæt/

Format

フォーマット
Meaning
the way in which something is arranged or set out; the shape, size, and presentation of a book or document
Example
Please submit your report in PDF format by the end of the week.
週末までにPDFフォーマットで報告書を提出してください。
B1 verb /fəʊld/

fold

Meaning
to bend something, especially paper or cloth, so that one part covers another
Example
She folded the letter neatly before placing it in the envelope.
C2 verb /ˈfɜːrbɪʃ/

furbish

磨く
Meaning
to polish, renovate, or give a fresh look to something
Example
The workers furbished the old sword until it gleamed like new.
作業員たちは古い剣を磨き、それが新しいかのように輝くまでしました。
C1 noun /ˈflɔː.rə/

flora

特定の地域や生息地に見られる植物生命
Meaning
The plant life found in a particular region or habitat.
Example
The Amazon rainforest is home to a vast flora diversity.
アマゾンの熱帯雨林は豊かなフローラの多様性の家です。
B2 adjective /ˈflɔːrəl/

floral

花のような
Meaning
Relating to flowers or decorated with flowers.
Example
She wore a beautiful floral dress to the party.
彼女はパーティーに美しい花のようなドレスを着ていった。
B1 adverb /ˈfʊli/

fully

完全に
Meaning
completely or entirely; to the fullest extent
Example
She is fully aware of the risks.
彼女はリスクについて完全に認識しています。
C2 adjective /ˈfluːviəl/

fluvial

河川に関連する
Meaning
relating to or found in a river
Example
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。
C1 noun /fəˈnætɪsɪzəm/

fanaticism

熱狂
Meaning
the quality of being fanatical; extreme zeal or obsession
Example
Religious fanaticism can lead to intolerance and conflict.
宗教的な熱狂は不寛容と対立を引き起こす可能性があります。
A2 adjective /fəˈmɪl.jər/

Familiar

馴染みのある; 親しみやすい; インフォーマルで友好的
Meaning
well-known; easily recognized; having knowledge of; informal and friendly
Example
This song sounds familiar to me.
この歌は私には馴染みがあるように感じます。
C1 verb /ˈflɪk.ər/

flicker

ちらつく
Meaning
to shine unsteadily or waver between light and dark
Example
The candle flickered in the wind.
ろうそくが風でちらついていた。
B2 adjective /ˈfɛdərəl/

federal

フェデラル
Meaning
Relating to the central government of a federation.
Example
The federal government passed a new law on healthcare.
連邦政府は医療制度に関する新しい法律を通過させました。
B1 noun /fiː/

fee

料金
Meaning
A payment made for a service or privilege.
Example
The lawyer charged a high fee for his services.
弁護士は彼のサービスに高い料金を請求した。
B1 noun fləʊ

flow

流れ
Meaning
The action or fact of moving along in a steady, continuous stream
Example
The flow of information must be secured.
情報の流れは確保されなければならない。
B2 noun ˈfjuː.tʃɚ ˌdʒen.əˈreɪ.ʃənz

future generations

未来の世代
Meaning
People who have not yet been born, considered in terms of the environment or society they will inherit.
Example
Sustainable development ensures a better life for future generations.
持続可能な開発は未来の世代のためにより良い生活を保証します。
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.
C2 noun /ˈfɔːrˌpiːk/

forepeak

船首の部屋
Meaning
The compartment in the forward part of a ship, often used for storage.
Example
The sailors stored extra ropes in the forepeak.
船員たちは余分なロープを船首の部屋に収納しました。
C2 verb /flɛdʒ/

fledge

飛べるようになる
Meaning
To develop wing feathers large enough for flight; to bring up until able to fly.
Example
The young birds will fledge in a few weeks.
若い鳥たちは数週間以内に飛べるようになる。
B1 adjective /ˈfæʃənəbəl/

fashionable

流行の
Meaning
Following the latest styles or trends in clothing, behavior, or ideas
Example
She always wears fashionable clothes to every party.
彼女は毎回のパーティーで常にファッショナブルな服を着ています。
C1 noun /fiːt/

feat

偉業
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
エベレスト山の登頂は素晴らしい偉業でした。
B2 adjective /ˈfʌsi/

fussy

わがまま
Meaning
hard to please; very concerned with details
Example
The child is very fussy about what she eats.
その子供は食べるものにとてもわがままです。
C2 noun /ˈfoʊ.li.oʊ/

folio

大きな本や写本
Meaning
A sheet of paper folded once to form two leaves (four pages) of a book; also a term for a large book or manuscript.
Example
The library houses an ancient Shakespeare folio.
図書館には古いシェイクスピアのフォリオがあります。
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。
A2 noun/verb /ˈfɪʃɪŋ/

fishing

釣り
Meaning
the activity of catching fish
Example
Fishing is a popular activity in coastal villages.
フィッシングは沿岸の村で人気のある活動です。
C1 verb /ˈfɜːr.tɪ.laɪz/

fertilize

肥料を施す
Meaning
to make soil or land more fertile by adding substances
Example
Farmers fertilize the fields to increase crop yield.
農家は作物の収穫量を増やすために畑に肥料を施す。
B2 noun /fʌs/

Fuss

騒ぎ; 無駄な心配
Meaning
unnecessary worry or bother about something; agitated excitement over a trivial matter
Example
She made such a fuss about the small stain on her dress that everyone noticed.
彼女はドレスの小さなシミについてそんなに騒いだので、みんなが気づきました。
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

逃亡者
Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
警察は刑務所から逃げた逃亡者を捕まえるために捜索を開始しました。
A2 adjective /fɪfθ/

fifth

第五
Meaning
constituting number five in a sequence
Example
She lives on the fifth floor of the building.
彼女はその建物の五階に住んでいます。
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。
A1 noun /ˈfɛb.ruˌɛr.i/

february

2月
Meaning
The second month of the year in the Gregorian calendar, typically having 28 days, or 29 in a leap year.
Example
My birthday is in February, so I always look forward to this month.
私の誕生日は2月なので、いつもこの月を楽しみにしています。
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。
B2 adverb /ˈfɔ:rmoast/

Foremost

最も重要なこと; 何よりもまず
Meaning
most importantly; above all; in the first place
Example
First and foremost, we need to ensure safety.
まず第一に、安全を確保する必要があります。
C2 adjective /ˈfrɒθi/

frothy

泡立てた
Meaning
Full of or covered with small bubbles; light and insubstantial.
Example
She ordered a cup of frothy cappuccino.
彼女は泡立てたカプチーノを注文しました。
B1 adjective /fɜːrm/

Firm

堅い; 強い; 安定している; 圧力に屈しない
Meaning
solid; stable; strong; not yielding to pressure
Example
She has a firm grip on the rope.
彼女はロープをしっかり握っています。
C2 noun /fluː/

flue

煙道
Meaning
A pipe or channel for smoke and waste gases produced by a fire, gas heater, or power station.
Example
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。
C1 noun /fɪˈnɛs/

finesse

巧妙さ, 技量, 洗練
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
そのアーティストは大きな巧妙さで絵を描いた。
B2 noun /ˈfæbrɪk/

fabric

布地
Meaning
Cloth or material produced by weaving or knitting fibers.
Example
The tailor used silk fabric to make the dress.
仕立て屋はドレスを作るために絹の布地を使いました。
C2 noun /fləˈtɪlə/

flotilla

小型艦隊
Meaning
A small fleet of ships or boats operating together.
Example
A flotilla of fishing boats left the harbor at dawn.
漁船のフロティラが夜明けに港を出発しました。
C2 verb /ˌfɔːrˈrʌn/

forerun

先駆ける
Meaning
To go before; to precede in time, place, or action.
Example
Dark clouds often forerun a storm.
暗い雲はしばしば嵐の前触れとなる。
A2 noun /fluː/

flu

インフルエンザ
Meaning
a contagious viral illness causing fever, aches, and respiratory symptoms; influenza
Example
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。
C1 verb /fɔːrˈtɛl/

foretell

予知する
Meaning
to predict or announce something before it happens
Example
The old man claimed he could foretell the future.
その老人は未来を予知できると主張した。
B2 noun fɪkst ˈɪnkʌm

fixed income

固定収入
Meaning
Investment that provides a return in the form of fixed periodic payments.
Example
Fixed income investments provide reliable returns.
固定収入の投資は信頼性の高いリターンを提供します。
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 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/adjective /ˈfluːɪd/

fluid

流体
Meaning
a substance that can flow easily, such as liquid or gas; smooth and adaptable
Example
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。
B1 adjective /fɪkst/

fixed

固定された, 安定した
Meaning
firmly in place; not changing or movable
Example
The schedule for the meeting is fixed for Monday morning.
会議のスケジュールは月曜日の朝に固定されています。
C2 adjective /ˈfʊl.dʒənt/

fulgent

輝かしい
Meaning
Shining brightly; dazzling.
Example
The fulgent stars lit up the night sky.
輝かしい星々が夜空を照らした。
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。
C2 adverb /ˌfɔːrθˈwɪθ/

Forthwith

ただちに; 遅れなく; すぐに
Meaning
immediately; without delay; at once
Example
The manager ordered the employee to stop the unsafe practice forthwith.
マネージャーは従業員に危険な行為をただちにやめるように命じました。
C2 verb /ˈfʌdəl/

fuddle

混乱させる
Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
複雑な指示が新しい従業員を混乱させました。
B2 noun /ˈfʊtɪdʒ/

footage

ビデオ録画
Meaning
a recorded film or video, especially one that is used for news or documentaries
Example
The footage of the protest was shown on television all day.
抗議の映像は一日中テレビで放送されました。
C1 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

虚偽の発明
Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
その記事は虚偽の発明と誤解を招く主張で満ちていました。
B2 adjective /ˈfræntɪk/

frantic

必死の
Meaning
Extremely anxious, hurried, or out of control due to fear or excitement.
Example
She made a frantic call to her family after the accident.
事故後、彼女は家族に必死の電話をかけた。
A2 noun fɔːrs

force

力
Meaning
A physical power or energy that can cause movement, change, or influence.
Example
Strong nuclear force binds particles.
強い核力が粒子を結びつける。
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

菌類
Meaning
a group of spore-producing organisms such as mushrooms, molds, and yeasts
Example
Fungi play an important role in breaking down organic matter in nature.
菌類は自然界で有機物を分解する重要な役割を果たします。
B1 adjective /ˈfrʌstreɪtɪd/

frustrated

フラストレーション
Meaning
feeling annoyed or upset because of inability to achieve something
Example
She felt frustrated after failing the exam.
彼女は試験に失敗した後、フラストレーションを感じました。
C2 noun ˌfjuːmɪˈɡeɪʃən

fumigation

燻蒸
Meaning
The practice of disinfecting or purifying an area using gas or smoke.
Example
Fumigation is an effective method to control pest infestations.
消毒は害虫の侵入を制御するための効果的な方法です。
C1 adjective /ˈfɔːrmətɪv/

formative

形成的
Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
子供時代は人生の中で形成的な段階としてよく説明されます。
C2 verb /fleɪ/

flay

皮を剥ぐ/厳しく批判する
Meaning
to strip off the skin of something or criticize severely
Example
The chef flayed the fish before cooking it.
シェフは魚を料理する前に皮を剥ぎました。
A2 adjective, adverb /ˈfʊl taɪm/

full-time

フルタイム
Meaning
working or studying for the whole standard period of time
Example
She works full-time as a teacher.
彼女は教師としてフルタイムで働いています。
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。
A2 adjective /ˈfraɪtənd/

frightened

怯えた
Meaning
feeling fear or anxiety; scared
Example
The child was frightened by the loud noise.
その子供は大きな音に怯えた。
B2 adjective /fræŋk/

Frank

正直な; 開かれた; 率直な; 誠実な
Meaning
honest; open; straightforward; candid
Example
She gave me a frank opinion about my presentation.
彼女は私のプレゼンテーションについて率直な意見をくれました。
C2 noun /fɪntʃ/

finch

フィンチ（小さな歌う鳥）
Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
カラフルなフィンチが枝に止まり、甘い歌を歌っていました。
A1 adjective/verb/adverb /friː/

free

自由
Meaning
Not under the control or in the power of another; able to act or be done as one wishes.
Example
The children are free to play outside.
子供たちは外で自由に遊べます。
B2 noun /ˈfɪlmˌmeɪkər/

filmmaker

映画製作者
Meaning
a person who makes films, typically as a profession
Example
He is a well-known filmmaker in the industry.
彼は業界で有名なフィルムメーカーです。
A2 noun/adjective /ˈfiːmeɪl/

female

雌
Meaning
a person or animal of the sex that can bear offspring; relating to women or girls
Example
The female lion protects her cubs fiercely.
メスライオンは自分の子供たちを必死に守ります。
C2 adjective /ˈflaɪti/

flighty

不安定
Meaning
unstable, impulsive, or easily distracted; lacking seriousness or stability
Example
She’s too flighty to stick with one job for long.
彼女は一つの仕事に長く留まるには不安定すぎる。
B1 noun fʌnd

fund

基金
Meaning
A sum of money saved or made available for a particular purpose.
Example
The government allocated a fund for disaster relief.
政府は災害救援のために基金を割り当てました。
C2 noun /flɔːˈrɛsəns/

florescence

花の開花期
Meaning
The process, state, or period of flowering.
Example
The garden reached its peak florescence in spring.
庭は春に最盛期の花の開花期に達しました。
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 adverb /ˈfeɪ.təl.i/

Fatally

致命的に
Meaning
in a way that causes death; with deadly consequences; critically
Example
The accident fatally injured two passengers.
事故は二人の乗客を致命的に負傷させた。
C2 adjective /ˈfer.əs/

ferrous

鉄を含む
Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
鉄を含む金属は建設でよく使用されます。
C1 noun /fruˈɪʃən/

fruition

実現
Meaning
The realization or fulfillment of a plan, project, or desire.
Example
Her dream of becoming a doctor finally came to fruition.
医者になるという彼女の夢はついに実現した。
C1 noun /fəˈtæləti/

fatality

致命的な事故
Meaning
An occurrence of death by accident, disaster, or violence.
Example
The accident resulted in one fatality.
その事故で1人が死亡した。
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。
A2 noun /frɒɡ/

Frog

カエル
Meaning
a small amphibian animal that lives both in water and on land
Example
The frog jumped from the lily pad into the pond.
カエルは睡蓮の葉から池に飛び込んだ。
B1 noun /feɪm/

Fame

名声
Meaning
the condition of being known or talked about by many people
Example
The young actor achieved international fame with his latest movie.
若い俳優は最新の映画で国際的な名声を得ました。
C2 adjective /ˈfædɪʃ/

faddish

一時的な流行
Meaning
Following a temporary trend or fashion
Example
Wearing neon clothes was a faddish style in the 1980s.
ネオンの服を着ることは1980年代の流行だった。
B1 adjective /ˈfæsɪneɪtɪŋ/

Fascinating

魅力的
Meaning
extremely interesting; captivating; enchanting
Example
The documentary about ocean life was fascinating.
海の生命に関するドキュメンタリーは魅力的だった。
C1 noun /fɪkˈseɪ.ʃən/

fixation

執着や過度な興味
Meaning
An obsessive interest in or feeling about someone or something.
Example
His fixation on perfectionism delayed project completion.
完璧主義への執着がプロジェクトの完了を遅らせた。
C1 adjective /ˈfeɪl.seɪf/

fail-safe

故障防止
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
エンジニアは原子力発電所に故障防止メカニズムを設置しました。
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。
B1 adjective /ˈfæbjələs/

Fabulous

素晴らしい; 驚くべき; 非凡な
Meaning
extremely good; wonderful; extraordinary
Example
She wore a fabulous dress to the party.
彼女はパーティーに素晴らしいドレスを着ていた。
C2 noun /ˈfʌŋkʃəˌnɛri/

functionary

職員
Meaning
a person who has official duties in an organization, especially one with little authority
Example
The minor functionary was responsible for filing reports.
その下級職員はレポートの提出を担当していました。
A1 verb /flaɪ/

fly

飛ぶ
Meaning
to move through the air using wings or in an aircraft
Example
Birds fly south for the winter.
鳥は冬に南へ飛ぶ。
A2 noun /ˈfoʊldər/

folder

フォルダー
Meaning
a container or directory used to store and organize papers or digital files
Example
I saved all the photos in a separate folder.
すべての写真を別のフォルダーに保存しました。
C1 noun, verb /ˈfɛrɪt/

ferret

フェレット, 何かを粘り強く探すまたは発見する
Meaning
a small domesticated animal used for hunting; to search or uncover something persistently
Example
He ferreted out the hidden documents.
彼は隠された書類を見つけました。
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。
C1 noun /ˈfɛlən/

felon

犯罪者
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
犯罪者は10年の刑を言い渡された。
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。
C1 adjective /ˈfɑːð.ər.ləs/

fatherless

父親がいない
Meaning
without a father
Example
The fatherless child relied on the support of his community.
その父親がいない子供は、コミュニティの支援に頼っていました。
B2 noun /fɜːr/

Fur

毛皮
Meaning
thick hair covering the body of animals
Example
The cat's fur was soft and warm to touch.
猫の毛は触ると柔らかく温かかった。
C1 noun/verb /ˈfʌrəʊ/

furrow

Meaning
A long narrow trench made in the ground by a plow; to make wrinkles or grooves.
Example
The farmer plowed furrows in the field.