WordReference Random House Unabridged Dictionary of American English © 2026
un•con•ven•tion•al•i•ty
(un′kən ven′shə nal′i tē),USA pronunciation n., pl. -ties for 2.
- disregard for convention;
the state or quality of being inconsistent with customs, rules, etc.;
originality. - something unconventional, as an act.
- un-1 + conventionality 1850–55