See more synonyms for unconventional on Thesaurus.com
  1. 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

See more synonyms for on Thesaurus.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unconventional

Contemporary Examples of unconventional

Historical Examples of unconventional

British Dictionary definitions for unconventional


  1. 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 unconventional

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