unusual
Definitions
Not habitually or commonly occurring; rare.
Remarkable or interesting because different from what is ordinary.
Examples
It is quite unusual to see snow in this part of the country during May.
The scientist noticed an unusual pattern in the data that could not be easily explained.
She has an unusual talent for mimicking the sounds of various birds.
Synonyms
abnormal atypical bizarre eccentric exceptional extraordinary peculiar
Antonyms
common conventional customary familiar normal ordinary regular