Vocabulary Cards
712 cards available.
C1 noun
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.
C1 noun
feud
争い, 敵意
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
C1 adjective
feudal
封建的
Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
C1 noun
feudalism
封建制度
Meaning
the social system in medieval Europe in which people worked and fought for nobles who gave them protection and land in return
Example
Feudalism shaped the political structure of medieval Europe.
A2 noun
fever
熱
Meaning
a medical condition in which the body temperature is higher than normal
Example
He couldn’t go to work because he had a high fever.
A1 adjective
few
少数
Meaning
A small number of; not many.
Example
Only a few students attended the class.
A2 determiner/adjective
fewer
より少ない
Meaning
a smaller number of; not as many
Example
Fewer people attended the meeting than expected.
C2 noun
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.
B2 noun
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.
B2 noun
Fiancee
婚約者
Meaning
a woman who is engaged to be married
Example
John bought a beautiful engagement ring for his fiancee.
C1 noun
fiasco
完全な失敗
Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
C2 noun
fiat
命令、布告
Meaning
an official order or decree; authoritative command
Example
The new policy was enacted by royal fiat.
B2 noun
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.
B2 noun
fibre
繊維
Meaning
A thread or filament from which a vegetable tissue, mineral substance, or textile is formed; dietary material that aids digestion.
Example
Eating foods rich in fibre can improve your digestion.
C1 adjective
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.
B1 noun
fiction
フィクション
Meaning
Literature created from the imagination, not presented as fact.
Example
She enjoys reading science fiction novels.
C1 adjective
fictitious
虚構の、偽の
Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
C1 noun
fidelity
忠誠心
Meaning
Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
Example
A dog's fidelity to its owner is unmatched.
C1 verb
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.
C2 adjective
fiducial
信頼の、基準点として機能する
Meaning
based on trust or confidence; serving as a standard of reference
Example
The fiducial point on the map ensures accurate measurements.
C2 adjective/noun
fiduciary
信託の
Meaning
Involving trust, especially with regard to the relationship between a trustee and a beneficiary.
Example
Banks have fiduciary duties towards their clients.
C2 noun
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.
A2 noun
field
フィールド
Meaning
an area of open land, often used for farming, sports, or scientific study
Example
The children played football in the field.
C1 noun
fiend
悪魔, 邪悪な人
Meaning
an evil spirit or demon; a wicked or cruel person; someone obsessed with a particular thing
Example
He is a real fiend when it comes to solving puzzles.