Etymology

Noun

1. A behavior or way of thinking that is characteristic of a person.
2. A language or behaviour that is particular to an individual or group.
3. A peculiar individual reaction to a generally innocuous substance or factor.
4. A peculiarity that serves to distinguish or identify.

   He mastered the idiosyncrasies of English spelling.

Synonyms

• eccentricity
• foible

• habit
• mannerism

• oddity
• quirk

• vagary

See also

• eccentricity
• habit
• peculiarity

• speciality
• specialness

• specialty
• trait