Not common or ordinary; different from what is expected or typical. It often suggests something interesting or surprising.
From 'un-' (not) + 'usual' (habitual, common), first used in the 1500s. 'Usual' comes from Latin 'ūsus' meaning 'use, habit'.
Unusual literally means 'not in the usual habit or use'. That’s why something can be unusual without being bizarre—it's just stepping outside the normal pattern.
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