WordReference Random House Learner's Dictionary of American English © 2025
il•le•gal•i•ty /ˌɪliˈgælɪti/USA pronunciation
n. an illegal action:[countable]illegalities that added up to a number of crimes. See -leg-.
WordReference Random House Unabridged Dictionary of American English © 2025- [uncountable] the act or state of being illegal:a question of illegality.
il•le•gal•i•ty
(il′ē gal′i tē),USA pronunciation n., pl. -ties.
- Lawillegal condition or quality;
unlawfulness. - Lawan illegal act.
- Medieval Latin illēgālitās. See illegal, -ity
- 1630–40
'illegality' also found in these entries (note: many are not synonyms or translations):