loony
Translation
crazy, mad, daft
Examples
He has some loony ideas about politics.
He has some daft ideas about politics.
That's a loony thing to do!
That's a daft thing to do!
Grammar Patterns
a loony ((person/idea)) a crazy person/idea He is a bit of a loony character.
to go loony to become crazy She'll go loony if she works any harder.
Similar Words
Synonyms: crazy, mad, daft, wacky; Antonyms: sane, sensible
Etymology
Short for 'lunatic', from Latin 'lunaticus' (moon-struck), from 'luna' (moon), based on the old belief that the moon's phases caused insanity.
Memory Tips
Think of the 'Looney Tunes' cartoons, which are full of crazy, silly characters. The name itself is a hint.