tomfool

/ˈtɑmful/
noun
  1. A silly or foolish person.
    • The old man laughed and called himself a tomfool for forgetting his keys again.
    • In the play, the tomfool provided comic relief with his clumsy antics.
    • Don't be such a tomfool; think before you jump into the pool.
adjective
  1. Foolish or silly in behavior or appearance.
    • He wore a tomfool hat with a feather to the costume party.
    • Her tomfool grin made everyone in the room smile.
    • The tomfool prank involved a whoopee cushion and a fake spider.
Antonyms