oddity
Definitions
A person or thing that is strange, peculiar, or unusual.
The quality or state of being strange or eccentric.
Examples
The strange behavior of the local wildlife was considered a complete oddity by the researchers.
His collection of antique clocks was a fascinating oddity that drew visitors from all over the city.
It is an oddity of the English language that the word 'queue' is pronounced the same way even when the last four letters are removed.
Synonyms
peculiarity quirk anomaly eccentricity curiosity aberration irregularity
Antonyms
normality regularity standard conformity commonality ordinariness typicality