Meaning of “unusual” - Learner’s Dictionary

unusual

adjective us uk /ʌnˈjuːʒuəl/
It's kind of unusual.The story has an unusual twist at the end.The recipe uses several unusual ingredients.Water has many unusual properties.Did you notice any unusual behaviour?

A2 different and not ordinary, often in a way that is interesting or exciting:

an unusual name
[ + to do sth ] It's fairly unusual to keep insects as pets.

(Definition of “unusual” from the Cambridge Learner’s Dictionary © Cambridge University Press)