Definition of play or act the fool in English:

play (or act) the fool

Behave in a playful or silly way.
More example sentences
  • Have things changed this much, or am I just once again playing the fool by believing him?
  • They were acting the fool and I just caught them in the act of acting the fool.
  • But the film belongs to Clooney, who plays the fool and the charmer with polished, devil-may-care ease.
Synonyms
clown about/around, act the clown, act the fool, fool about/around, mess about/around, monkey about/around, footle about/around, joke, play pranks, indulge in horseplay
informal horse about/around, screw around, puddle about/around, act the goat, lark about/around
British informal muck about/around, fanny about/around
British vulgar slang piss about/around, arse about/around
See parent entry: fool

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Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected