not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality: an unconventional artist; an unconventional use of material.

Origin of unconventional

First recorded in 1830–40; un-1 + conventional
Related formsun·con·ven·tion·al·ist, nounun·con·ven·tion·al·ly, adverb

Synonyms for unconventional

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for unconventionalist



not conforming to accepted rules or standards
Derived Formsunconventionality, noununconventionally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unconventionalist



1832, from un- (1) "not" + conventional. "A 19 cent. epithet for a certain type of affectation." [Weekley] Related: Unconventionally.

Online Etymology Dictionary, © 2010 Douglas Harper