fortification
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C1 noun ˌfɔːtɪfɪˈkeɪʃn

fortification

要塞化
Meaning
A defensive wall or other reinforcement built to strengthen a place against attack.
Example
The fortifications protected the city.
要塞化は都市を守った。
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.
A1 noun /ˈfriː taɪm/

free time

自由時間
Meaning
time when a person is not working or occupied and can do activities they enjoy
Example
She likes to read books in her free time.
彼女は自由時間に本を読むのが好きです。
A2 adjective /fɔːls/

False

偽; 不正確; 欺瞞; 人工
Meaning
not true; incorrect; deceptive; artificial
Example
The witness gave false testimony in court.
証人は法廷で偽証をした。
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。
B2 noun ˌfʌŋk.ʃəˈnæl.ə.ti

functionality

機能性
Meaning
The quality of being functional; the ability to work or operate as intended.
Example
The new refrigerator has improved functionality.
新しい冷蔵庫は機能性が向上しました。
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。
C2 noun /ˌfrɪdʒɪˈdɛːriəm/

frigidarium

冷水浴場
Meaning
a large cold pool in ancient Roman baths used for cooling off after hot baths
Example
The ruins of the Roman frigidarium are still visible today.
ローマのフリジダリウムの遺跡は今日でも見ることができます。
C1 adjective /ˈfruː.ɡəl/

Frugal

節約的; 倹約的
Meaning
economical; thrifty;
Example
She is very frugal and saves money by buying only necessary items.
彼女はとても倹約的で、必要な物だけを買ってお金を節約しています。
A2 noun /ˈfiː.lɪŋ/

Feeling

感覚; 気持ち; 感情
Meaning
an emotional state or reaction; the capacity to experience physical sensations
Example
She had a strange feeling that something important was about to happen.
彼女は何か重要なことが起こる予感がした。
B2 adverb /fɔːrθ/

forth

前へ
Meaning
forward in place, time, or order
Example
The leader stepped forth to address the crowd.
リーダーは群衆に向かって前に出ました。
C1 noun ˈfɔː.saɪt

foresight

先見の明
Meaning
The ability to predict or the action of predicting what will happen or be needed in the future.
Example
His foresight helped the company avoid financial losses.
彼の先見の明は会社が財政的損失を避けるのに役立った。
B2 noun /ˈfriːˌlænsər/

freelancer

フリーランサー
Meaning
A person who works independently without being permanently employed by one organization.
Example
She works as a freelancer designing websites for different clients.
彼女はフリーランサーとして、異なるクライアントのためにウェブサイトをデザインしています。
C2 noun /ˌfɔːrɔːrdɪˈneɪʃən/

foreordination

予定
Meaning
the act of determining something in advance; predestination
Example
The doctrine of foreordination suggests that events are fixed by divine will.
予定説の教義は、出来事は神の意志によって定められていると示唆しています。
C2 noun /fez/

Fez

フェズ
Meaning
a cone-shaped red hat with a tassel, traditionally worn by men in some Middle Eastern countries
Example
The traditional costume included a red fez with a black tassel.
伝統的な衣装には、黒い房付きの赤いフェズが含まれていました。
C2 adjective /ˈfraɪəbl/

friable

もろい
Meaning
Easily crumbled or reduced to powder.
Example
The old brick wall was friable and broke apart at a touch.
古いレンガの壁はもろく、触れると壊れました。
B2 adverb /ˈfeɪθ.fəl.i/

Faithfully

忠実に
Meaning
in a loyal and steadfast manner; with dedication
Example
She faithfully attended every meeting despite her busy schedule.
彼女は忙しいスケジュールにもかかわらず、毎回忠実に会議に出席しました。
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。
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。
A2 determiner/adjective /ˈfjuːər/

fewer

より少ない
Meaning
a smaller number of; not as many
Example
Fewer people attended the meeting than expected.
予想より少ない人々が会議に出席した。
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 /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 verb /fɪltʃ/

filch

盗む
Meaning
to steal something in a sneaky or petty way
Example
He tried to filch a candy bar from the shop.
彼は店からキャンディバーを盗もうとした。
A1 adjective /fjuː/

few

少数
Meaning
A small number of; not many.
Example
Only a few students attended the class.
ほんの少しの学生がクラスに出席しました。
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。
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 noun /ˈfaʊn.tən/

Fountain

噴水
Meaning
a natural spring of water; an artificial structure from which water flows
Example
The fountain in the park attracts many visitors.
公園の噴水は多くの訪問者を引き寄せます。
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。
C1 noun /ˌfɜːrmənˈteɪʃən/

fermentation

発酵、酵母または細菌による化学変化
Meaning
a chemical process by which substances like sugar are converted into alcohol or acids using microorganisms
Example
The fermentation of grapes produces wine.
ぶどうの発酵はワインを生産します。
C2 verb /fɔːrˈboʊd/

forebode

予兆する
Meaning
To predict or have a strong inner feeling of a future misfortune or evil.
Example
Dark clouds forebode a coming storm.
暗い雲が来る嵐を予兆している。
C1 noun /ˈfɔːrˌfɑːðər/

forefather

先祖
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
私たちの先祖は独立のために戦いました。
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。
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。
C1 adjective /ˈflɪmzi/

flimsy

弱々しい
Meaning
weak, fragile, or lacking in strength; not convincing
Example
The chair was too flimsy to support his weight.
その椅子は重さを支えられないほど弱々しかった。
C1 noun /ˈfɪʃ.ər/

fissure

ひび割れ
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
地震によって道路に深いひび割れができました。
B1 adjective /ˈfrʌstreɪtɪŋ/

frustrating

苛立たしい
Meaning
causing annoyance or dissatisfaction
Example
The slow internet connection was really frustrating.
遅いインターネット接続は本当に苛立たしかった。
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 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

不吉な予感
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
彼女は廃屋に入るとき、深い不吉な予感を感じた。
A1 noun /fʊt/

Foot

足
Meaning
the lower extremity of the leg that is in direct contact with the ground in standing or walking
Example
She hurt her foot while running.
彼女は走っている間に足を怪我しました。
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。
A2 adjective /faɪn/

Fine

良い; 素晴らしい; 薄い; 繊細な; 高品質な
Meaning
good; excellent; thin; delicate; high quality
Example
The weather is fine today.
今日は天気が良いです。
C2 noun /fiːˈkʌndɪti/

fecundity

肥沃, 繁殖力
Meaning
the ability to produce an abundance of offspring or new growth; fertility
Example
The fecundity of the river delta supports diverse wildlife.
川の三角州の肥沃は多様な野生動物を支えています。
B2 noun /fɛər/

fare

運賃
Meaning
the money paid for a journey on public transport; also food or treatment provided
Example
The bus fare to the city center is five dollars.
市内中心部までのバス運賃は5ドルです。
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。
B2 noun /ˌfiː.ɑːnˈseɪ/

Fiancee

婚約者
Meaning
a woman who is engaged to be married
Example
John bought a beautiful engagement ring for his fiancee.
ジョンは彼の婚約者に美しい婚約指輪を買いました。
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 adjective /ˈflʌfi/

fluffy

幸せ
Meaning
soft, light, and airy in texture
Example
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。
C1 noun /ˈfænsiər/

fancier

愛好家
Meaning
a person who has a special interest in a particular thing or activity, especially animals or hobbies
Example
He is a fancier of rare birds.
彼は珍しい鳥の愛好家です。
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。
C2 verb /feɪz/

faze

動揺させる
Meaning
to disturb or disconcert someone; to cause to feel unsettled
Example
She was not fazed by the unexpected question.
予期しない質問で動じなかった。
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。
A2 verb /friːz/

freeze

凍る
Meaning
to become solid due to cold; to preserve by cold
Example
Water freezes at zero degrees Celsius.
水は零度で凍ります。
C2 noun /ˈfɔːrkɔːrt/

forecourt

前庭
Meaning
an open area in front of a large building, especially a petrol station or hotel
Example
The car was parked in the hotel forecourt.
車はホテルの前庭に駐車されていました。
C2 noun /ˈflætʃələns/

flatulence

消化器系のガスの蓄積
Meaning
the accumulation of gas in the digestive system; excessive gas in the stomach or intestines
Example
Eating beans can sometimes cause flatulence.
豆を食べると時々おならが出ることがあります。
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。
C2 verb /fɔːrˈfɛnd/

forfend

守る, 防ぐ, 防止する
Meaning
to protect or defend against something undesirable; to prevent
Example
May good fortune forfend any danger from our journey.
良い運が私たちの旅からどんな危険も防いでくれますように。
C1 adjective /ˈfɪk.əl/

Fickle

気まぐれな; 不安定な; 変わりやすい;
Meaning
changeable; inconstant; liable to sudden unpredictable change
Example
His fickle nature made it hard to trust his promises.
彼の気まぐれな性格は、彼の約束を信じることを難しくした。
B2 adverb /ˌfʌndəˈmɛntəli/

fundamentally

基本的に
Meaning
in a basic and important way; at the core
Example
The two theories are fundamentally different.
この二つの理論は基本的に異なります。
B1 adverb /ˈfriːkwəntli/

Frequently

頻繁に; 定期的に; 多くの回数
Meaning
often; regularly; many times
Example
She frequently visits her grandmother on weekends.
彼女は週末に頻繁に祖母を訪れます。
B1 noun /ˈfaɪ.tər/

Fighter

戦闘機
Meaning
a military aircraft designed for attacking other aircraft; a person who fights
Example
The fighter jet flew overhead during the military parade.
戦闘機は軍事パレードの間に私たちの頭上を飛びました。
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 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.
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。
C2 noun /ˈfæn.feər/

fanfare

大々的な展示, 宣伝
Meaning
a short ceremonial tune or display of publicity to attract attention
Example
The new product was launched with much fanfare.
新しい製品は盛大なファンファーレで発売されました。
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。
A2 adjective /ˈfuː.lɪʃ/

Foolish

愚か; 馬鹿; ばかげた
Meaning
lacking good sense or judgment; unwise; silly
Example
It was foolish of him to drive in such heavy rain.
そんな激しい雨の中で運転するのは愚かだった。
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。
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。
B1 noun /flæʃ/

Flash

フラッシュ; ひらめき
Meaning
a sudden brief burst of bright light; a very brief moment
Example
There was a bright flash of lightning followed by thunder.
雷鳴の後に明るい閃光がありました。
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。
C1 verb /ˈfɔːrfɪt/

forfeit

Meaning
to lose or give up something, usually as a penalty for wrongdoing
Example
He had to forfeit the match after breaking the rules.
A1 noun /fruːt/

fruit

果物
Meaning
The sweet and fleshy product of a plant that contains seeds.
Example
Mango is my favorite fruit.
マンゴーは私のお気に入りのフルーツです。
B1 noun /ˌfɜːrst ˈeɪd/

first aid

応急処置
Meaning
Immediate assistance given to a sick or injured person until full medical treatment is available
Example
He gave first aid to the injured cyclist before the ambulance arrived.
彼は救急車が来る前に、負傷した自転車乗りに応急処置を施した。
A2 noun /flaʊər/

Flour

小麦粉
Meaning
fine powder made by grinding wheat or other grains; used for making bread, cakes, and pastry
Example
She mixed flour with water to make dough for bread.
彼女はパンの生地を作るために、小麦粉と水を混ぜました。
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。
C2 noun /ˈfɔːltˌfaɪndər/

faultfinder

欠点探し人
Meaning
a person who habitually finds fault with others
Example
He is such a faultfinder that nothing anyone does is ever good enough.
彼は欠点探し人で、誰かが何かをしても決して十分ではありません。
C1 verb /fɔːrˈʃædoʊ/

foreshadow

予兆する
Meaning
To indicate or suggest something that will happen in the future
Example
Dark clouds foreshadowed an approaching storm.
暗い雲が近づく嵐を予兆していた。
B2 verb /flɪk/

flick

素早く叩く
Meaning
to move or cause to move with a sudden quick motion
Example
He flicked the switch to turn on the light.
彼はライトをつけるためにスイッチをフリックしました。
A1 noun /ˈfʊtˌbɔːl/

football

サッカー
Meaning
A team sport played with a ball that is kicked or carried to score points.
Example
They watched a football match on TV.
彼らはテレビでサッカーの試合を見ました。
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

濃厚な味わい
Meaning
Having a strong, rich, and robust quality, especially of wine, coffee, or voice.
Example
He prefers a full-bodied red wine with his dinner.
彼は夕食に濃厚な味わいの赤ワインを好みます。
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。
C1 adjective /ˈfiːbl/

feeble

弱い, 無力
Meaning
lacking physical strength or vigor; weak
Example
After the illness, she felt too feeble to stand.
病気の後、彼女は立ち上がるにはあまりにも弱かった。
C2 adjective /ˈflæb.i/

Flabby

柔らかくてだらしない; しっかり感や筋肉の張りがない; 弱い
Meaning
soft and loose; lacking firmness or muscle tone; weak
Example
His flabby arms showed he needed to exercise more.
彼のだらしない腕は、もっと運動する必要があることを示していました。
B2 verb /fɔːrˈsiː/

foresee

予見する
Meaning
To be aware of beforehand; to predict or expect.
Example
She could foresee the challenges ahead.
彼女は前方の課題を予見することができました。
B2 adjective /ˈfæktʃuəl/

Factual

事実に基づいた; 真実の
Meaning
based on facts; accurate; true
Example
The report contains only factual information.
レポートには事実に基づく情報のみが含まれています。
C1 adjective ˈfæʃ.ɪst

fascist

ファシスト
Meaning
Relating to or characteristic of fascism; extremely authoritarian.
Example
Fascist governance undermines freedom.
ファシスト政権は自由を脅かす。
B2 verb /fɔːrdʒ/

forge

鍛造する、偽造する
Meaning
to create or shape something, often with effort or skill; also to counterfeit or fake something
Example
The blacksmith forged a strong sword from the iron.
鍛冶屋は鉄から強力な剣を鍛えました。
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 noun /fæd/

fad

一時的な流行、トレンド
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
新しいダイエットはティーンエイジャーの間で人気の一時的なトレンドとなった。
C2 adjective /ˈfæsaɪl/

Facile

簡単な; 浅薄な; 深みのない
Meaning
easily achieved; superficial; lacking depth
Example
His facile explanation didn't address the real problem.
彼の簡単な説明は実際の問題に対処しませんでした。
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。
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 /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 noun /fɔːrt/

Fort

砦
Meaning
a strong building or group of buildings where soldiers live and defend
Example
The ancient fort stood on top of the hill for centuries.
古代のフォートは何世代にもわたって丘の上に立っていました。
C2 noun /ˈfiːæt/

fiat

命令、布告
Meaning
an official order or decree; authoritative command
Example
The new policy was enacted by royal fiat.
新しい政策は王の命令で実施されました。
C1 adjective /ˈfɛrəl/

feral

野生の
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
その野良猫は夜に街を歩き回っていた。
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 noun /ˈfreʃmən/

freshman

一年生
Meaning
a first-year student at a high school, college, or university
Example
The freshman felt nervous on his first day at university.
一年生は大学での初日に緊張していました。
B2 noun /fliːt/

fleet

艦隊
Meaning
a group of ships, vehicles, or aircraft operating together under one command
Example
The navy deployed its entire fleet for the exercise.
海軍は演習のためにその全艦隊を展開した。
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。
C1 noun /fəˈsɑːd/

facade

ファサード
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
建物のガラスのファサードは日没を反映していた。
C1 adjective /frəˈnɛtɪk/

frenetic

狂乱の
Meaning
Fast and energetic in a wild or uncontrolled way.
Example
The stock market experienced frenetic trading after the announcement.
発表後、株式市場は狂乱の取引を経験しました。
C1 noun /ˈfɔːrwɜːrd/

foreword

序文
Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
その本の序文は、有名な歴史家によって書かれました。
A1 adjective /fɑːst/

Fast

速い; 迅速
Meaning
moving or happening quickly; rapid; swift
Example
She runs very fast in the morning.
彼女は朝にとても速く走ります。
C2 noun /fiːf/

fief

封建制度の下で保有される土地; 支配領域または制御区域
Meaning
an estate of land held under the feudal system; a domain or area of control
Example
The knight was granted a fief by the lord for his service.
騎士はそのサービスに対して領主から封土を与えられました。
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。
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。
C2 noun /ˈfɛndər/

fender

フェンダー
Meaning
a part of a vehicle that frames a wheel well to protect against mud or debris
Example
The car's fender was dented in the accident.
車のフェンダーは事故でへこんでしまいました。
B1 noun /fɔːlt/

Fault

過失; 欠陥; 失敗
Meaning
an unattractive or unsatisfactory feature; responsibility for an accident or misfortune
Example
The accident was caused by a fault in the car's braking system.
その事故は車のブレーキシステムの故障が原因で発生しました。
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。
C1 noun /ˈfjuː.tʃə.rɪst/

futurist

未来学者
Meaning
A person who studies or predicts the future, especially trends in science, technology, or society.
Example
The futurist predicted major changes in transportation within the next decade.
未来学者は次の10年間で交通に大きな変化があると予測しました。
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。
C2 noun /fækˈtoʊtəm/

factotum

オールラウンダー
Meaning
an employee who does many different types of work; a general servant
Example
He worked as a factotum, handling both clerical and maintenance duties.
彼はファクトトムとして働き、事務的な仕事とメンテナンス作業の両方を担当していました。
A1 noun /ˈfɑːðər/

father

幸福
Meaning
A male parent of a child.
Example
His father taught him how to ride a bicycle.
彼女は賞を受け取ったとき、その幸せを隠せなかった。
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。
C1 noun /ˈfɔːrmən/

foreman

労働者のグループを担当する人、特に工場や建設現場で
Meaning
a person in charge of a group of workers, especially in a factory or construction site
Example
The foreman supervised the workers on the construction site.
フォアマンは建設現場で作業員を監督しました。
A2 noun /flaɪt/

flight

フライト / フライト
Meaning
the act of flying, typically through the air; or a scheduled trip by an aircraft
Example
Our flight to London was delayed due to bad weather.
ロンドン行きのフライトは悪天候のため遅れました。
C1 verb /flaʊt/

flout

無視する
Meaning
To openly disregard or show contempt for a rule or law.
Example
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。
C1 noun /ˈfreɪlti/

frailty

脆弱
Meaning
The condition of being weak, delicate, or easily broken.
Example
Old age often comes with physical frailty.
老化はしばしば身体的な脆弱さと共に訪れます。
C1 adjective /ˈflæɡɪŋ/

flagging

疲れる、弱くなる、または熱意を失う
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
長時間働いた後、彼のエネルギーは衰えていた。
C1 noun/verb ˈfɒr.ɪdʒ

forage

飼料、食べ物を探す
Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
動物たちは冬の間に食べ物を探します。