Idiosyncrasy
noun
Meaning
A distinctive or peculiar habit, mannerism, or characteristic that belongs to a specific individual.
Examples
- Her main idiosyncrasy is that she refuses to eat any food that is green.
- The software has a few minor idiosyncrasies that you will get used to after a week of use.
Synonyms: habit, quirk, mannerism, eccentricity, peculiarity