Translation guide
The ability to think and respond quickly with clever or humorous remarks. In Japanese, this is expressed through nouns describing the trait, adjectives for quick-mindedness, and phrases for spontaneous cleverness.
彼は機知に富んでいる。
He has a ready wit.
彼女は頭の回転が速い。
She is quick-witted.
Describing someone who can come up with witty remarks instantly
The most direct equivalent, meaning 'wit' or 'ready wit'. Often used in phrases like 機知に富む (rich in wit).
He entertains people with his witty conversation.
Literally 'head rotation is fast', meaning quick-witted or sharp. Commonly used to describe someone who thinks on their feet.
彼女は頭の回転が速くて、どんな質問にもすぐ答えられる。
She's quick-witted and can answer any question immediately.
Quick wit or cleverness, often associated with the historical figure Ikkyuu. Slightly old-fashioned but still understood.
彼の頓智にはいつも感心させられる。
I'm always impressed by his ready wit.
Quick thinking, resourcefulness. Often used in 機転が利く (to be quick-witted).
彼は機転が利くから、どんなピンチでも切り抜けられる。
He's quick-witted, so he can get out of any tight spot.
Emphasizing the funny, entertaining aspect of ready wit
Having a sense of humor, often implying the ability to make witty remarks.
彼はユーモアのセンスがあって、話が面白い。
He has a ready wit and is fun to talk to.
Joke, pun, or witty remark. 洒落が利く means to be good at making witty remarks.
彼の洒落にはいつも笑わされる。
His witty remarks always make me laugh.
機知 is the standard modern term for wit. 頓智 is more associated with clever riddles or the historical figure Ikkyuu, and can sound a bit old-fashioned or childish.