noun, noun or participle which takes 'suru', intransitive verb
Literal act of playing with fire, often by children. Can be used as a noun or with する to mean 'to play with fire'.
子供たちが火遊びをしてはいけません。
Children must not play with fire.
乾燥した季節に火遊
Playing with fire is dangerous during the dry season.
noun, noun or participle which takes 'suru', intransitive verb
playing with fire (figurative); doing something dangerous
Idiomatic expression for taking a dangerous risk, similar to English 'playing with fire'. Often used as a warning.
そんな投資は火遊びだよ。
That kind of investment is playing with fire.
彼はいつも火遊びのようなことをして、周りをハラハラさせる。
He's always doing things like playing with fire, making everyone around him nervous.
noun, noun or participle which takes 'suru', intransitive verb
playing around (romantically); flirting; having an affair
Refers to casual romantic or sexual involvement, often with a nuance of risk or infidelity. Can be used for flirting or an extramarital affair.
彼は妻がいるのに、他の女性と火遊びをしている。
Even though he has a wife, he's fooling around with another woman.
若い頃はよく火遊びをしたものだ。
When I was young, I used to play the field a lot.