adjective

unusual

Different from what is common or expected.

An unusual sound from the engine makes the driver stop.

Etymology

The negative prefix denies customary occurrence. Unusual describes a departure from what is commonly encountered or expected.

More examples

  • It is unusual for snow to fall here in April.
  • She wears earrings with an unusual shape.
  • His unusual approach solves a problem that defeats everyone else.

Forms

unusual · more unusual · most unusual

unusually adverb — In a way that differs from expectations.

Similar words

uncommon
Emphasizes low frequency rather than difference from what is expected.
unexpected
Emphasizes what was not anticipated, even if otherwise ordinary.
odd
Suggests something strange or puzzling, not merely different.