looney

/ˈluni/
adjective
  1. Crazy or silly; not sensible.
    • That's a looney idea—we can't build a house out of cardboard.
    • My brother acts totally looney when he stays up too late.
    • The movie was so looney that everyone in the theater was laughing.
Antonyms
noun
  1. A person who is crazy or acts very strangely.
    • The old man on the corner is a harmless looney who talks to pigeons.
    • Don't listen to that looney; he thinks aliens live in his basement.
    • Some looney tried to pay for groceries with Monopoly money.
Synonyms
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