/ Dictionary / Index U unconventional: Meaning and Definition of Find definitions for: un•con•ven•tion•al Pronunciation: (un"kun-ven'shu-nl), [key] — adj. not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality: an unconventional artist; an unconventional use of material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unconventional (Thesaurus) uncontrollable unconventionality Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language