Definition of NUTCASE

a person judged to be legally or medically insane <some nutcase was arrested for sending the threatening letters to the White House>
a person of odd or whimsical habits <around the condo complex she's known as the nutcase who consistently ignores the rules>
a person who lacks good sense or judgment <only a nutcase would try to accelerate a campfire by dousing it with gasoline>
Near Antonyms sage, thinker; brain, genius

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