-ity

noun suffix

plural -ities

: quality : state : degree

alkalinity

theatricality

Word History

Etymology

Middle French -ité, from Latin -itat-, -itas, from -i- (stem vowel of adjectives) + -tat-, -tas -ity; akin to Greek -tēt-, -tēs -ity

Kids Definition

-ity

noun suffix

-i·​ty

ət-ē

plural -ities

: quality : state : degree

alkalinity

Etymology

derived from Latin -itat-, -itas "quality, state"