- 1[uncountable] behavior that people think is strange or unusual; the quality of being unusual and different from other people As a teacher, she had a reputation for eccentricity. Arthur was noted for the eccentricity of his clothes.
- 2[countable, usually plural] an unusual act or habit We all have our little eccentricities. I had long since grown used to the eccentricities of his driving technique.
Check pronunciation: eccentricity