foolish
gb/fˈulɪʃ/ us/fˈulɪʃ/
B1
英語
~ 2100
語義
0件の語義
adjective
B1
property
1
Lacking good sense or judgment
Not showing good thinking or making bad choices.
用法パターン：
[someone/something] is foolish
よくある間違い：
Learners sometimes confuse 'foolish' with 'funny'. 'Foolish' means lacking sense, not making people laugh.
類義語
silly (Often lighter and more playful; can imply harmlessness.)
|
unwise (Suggests a serious lack of wisdom or foresight.)
対義語
wise (Shows good sense and judgment.)
|
sensible (Acting with practical and reasonable thinking.)
コロケーション
foolish decision
|foolish mistake
|foolish idea
|foolish choice
テーマ
emotions
|daily life
|behavior
|core_vocabulary
例文
- It was foolish to go hiking without checking the weather.
- She felt foolish after forgetting his name again.
- He made a foolish investment and lost all his savings.
- Don't be foolish—wear a helmet when you cycle.
学習者向け例文
- It is foolish to run in the street.
- He made a foolish mistake in the test.
- I was foolish to forget my keys.
- She is foolish to spend all her money.
adjective
B2
property
2
Silly in a harmless, playful way
Acting in a silly or playful way.
用法パターン：
[someone] is foolish with [someone]
よくある間違い：
Learners may confuse this with the negative meaning of 'foolish'. Here it is more lighthearted and not critical.
類義語
goofy (Informal; silly in an endearing way.)
|
playful (Lighthearted and fun, without serious intent.)
対義語
serious (Acting with seriousness and purpose.)
|
sensible (Acting with reason and care.)
コロケーション
foolish grin
|foolish behavior
|foolish games
テーマ
emotions
|social
|core_vocabulary
例文
- He gave her a foolish grin before running away.
- They were being foolish and laughing loudly in the library.
- She made a foolish face to cheer up the baby.
学習者向け例文
- The children were foolish at the party.
- He made a foolish face for the camera.
- She is foolish when she plays with her dog.
文法
辞書形
foolish
IPA
GB/fˈulɪʃ/
US/fˈulɪʃ/
音節・強勢
fool - ish （2音節）
Stress on 1st syllable (fool)
活用形
Adjective
- Base: foolish
関連語
表現
act the fool
1/ˈækt ðə fˈul/
idiom
Behave as if lacking sense for amusement or attention
To behave in a silly way to get attention or make people laugh.
例文
- He was acting the fool to impress his friends.
- They acted the fool during class and got into trouble.
fools rush in (where angels fear to tread)
1/fˈulz ɹˈʌʃ ˈɪn wˈɛɹ ˈeɪnd͡ʒəlz fˈɪɹ tə tɹˈɛd/
idiom
Inexperienced act without caution
People without experience often do things quickly without thinking, when wiser people would be careful.
例文
- He volunteered to fix the roof without any training—fools rush in where angels fear to tread.
- Starting a business without research is a case of fools rushing in.
make a fool of oneself
1/mˈeɪk ə fˈul əv wˌʌnsˈɛlf/
idiom
Embarrass oneself by acting silly or stupid
To do something that makes you look silly or stupid to others.
例文
- I made a fool of myself by forgetting my speech.
- She doesn't want to make a fool of herself on stage.
play the fool
1/plˈeɪ ðə fˈul/
idiom
Behave in a silly way for fun
To act silly so people laugh or are entertained.
例文
- Stop playing the fool and help me clean up.
- He often plays the fool to make his friends laugh.
- He enjoys playing the fool at parties to make people laugh.
- She played the fool in meetings so people would underestimate her.