Antonyms of adj conventional

7 senses of conventional

Sense 1
conventional (vs. unconventional) (vs. unconventional) -- (following accepted customs and proprieties; "conventional wisdom"; "she had strayed from the path of conventional behavior"; "conventional forms of address")

unconventional (vs. conventional) -- (not conforming to accepted rules or standards; "her unconventional dress and hair style")
        => bohemian -- (unconventional in especially appearance and behavior; "a bohemian life style")
        => go-as-you-please -- (not bound by rule or law or convention; "bewildered by the old go-as-you-please liberty of alliterative rhythm"- George Saintsbury)
        => irregular, maverick, unorthodox -- (independent in behavior or thought; "she led a somewhat irregular private life"; "maverick politicians")
unconventional (vs. conventional) (vs. conventional) -- (not conventional or conformist; "unconventional life styles")
        => alternative -- (pertaining to unconventional choices; "an alternative life style")
        => bizarre, eccentric, freakish, freaky, flaky, flakey, gonzo, off-the-wall, outlandish, outre -- (conspicuously or grossly unconventional or unusual; "restaurants of bizarre design--one like a hat, another like a rabbit"; "famed for his eccentric spelling"; "a freakish combination of styles"; "his off-the-wall antics"; "the outlandish clothes of teenagers"; "outre and affected stage antics")
        => devil-may-care, raffish, rakish -- (marked by a carefree unconventionality or disreputableness; "a cocktail party given by some...raffish bachelors"- Crary Moore)
        => far-out, kinky, offbeat, quirky, way-out -- (informal terms; strikingly unconventional)
        => funky -- (stylish and modern in an unconventional way; "she likes funky clothes"; "we did it all in black and white in a very funky sixties style")
        => spaced-out, spacy, spacey -- (stupefied by (or as if by) some narcotic drug)

Sense 2
conventional, established -- (conforming with accepted standards; "a conventional view of the world")

INDIRECT (VIA orthodox) -> unorthodox -- (breaking with convention or tradition; "an unorthodox lifestyle")

Sense 3
conventional (vs. nuclear) -- ((weapons) using energy for propulsion or destruction that is not nuclear energy; "conventional warfare"; "conventional weapons")

nuclear (vs. conventional), atomic -- ((weapons) deriving destructive energy from the release of atomic energy; "nuclear war"; "nuclear weapons"; "atomic bombs")
        => thermonuclear -- (using nuclear weapons based on fusion as distinguished from fission)

Sense 4
conventional (vs. unconventional) -- (unimaginative and conformist; "conventional bourgeois lives"; "conventional attitudes")

unconventional (vs. conventional) (vs. conventional) -- (not conventional or conformist; "unconventional life styles")
        => alternative -- (pertaining to unconventional choices; "an alternative life style")
        => bizarre, eccentric, freakish, freaky, flaky, flakey, gonzo, off-the-wall, outlandish, outre -- (conspicuously or grossly unconventional or unusual; "restaurants of bizarre design--one like a hat, another like a rabbit"; "famed for his eccentric spelling"; "a freakish combination of styles"; "his off-the-wall antics"; "the outlandish clothes of teenagers"; "outre and affected stage antics")
        => devil-may-care, raffish, rakish -- (marked by a carefree unconventionality or disreputableness; "a cocktail party given by some...raffish bachelors"- Crary Moore)
        => far-out, kinky, offbeat, quirky, way-out -- (informal terms; strikingly unconventional)
        => funky -- (stylish and modern in an unconventional way; "she likes funky clothes"; "we did it all in black and white in a very funky sixties style")
        => spaced-out, spacy, spacey -- (stupefied by (or as if by) some narcotic drug)

Sense 5
conventional, formal, schematic -- (represented in simplified or symbolic form)

INDIRECT (VIA nonrepresentational) -> representational -- ((used especially of art) depicting objects, figures,or scenes as seen; "representational art"; "representational images")

Sense 6
conventional -- (in accord with or being a tradition or practice accepted from the past; "a conventional church wedding with the bride in traditional white"; "the conventional handshake")

INDIRECT (VIA traditional) -> nontraditional, untraditional -- (not conforming to or in accord with tradition; "nontraditional designs"; "nontraditional practices")

Sense 7
ceremonious, conventional -- (rigidly formal or bound by convention; "their ceremonious greetings did not seem heartfelt")

INDIRECT (VIA formal) -> informal -- (not formal; "conservative people unaccustomed to informal dress"; "an informal free-and-easy manner"; "an informal gathering of friends")

Similarity of adj conventional

7 senses of conventional

Sense 1
conventional (vs. unconventional) (vs. unconventional) -- (following accepted customs and proprieties; "conventional wisdom"; "she had strayed from the path of conventional behavior"; "conventional forms of address")
       => received -- (widely accepted as true or worthy; "a received moral idea"; "Received political wisdom says not; surveys show otherwise"- Economist)
       => customary -- (in accordance with convention or custom; "sealed the deal with the customary handshake")
       => formulaic -- (characterized by or in accordance with some formula)
       => stodgy, stuffy -- (excessively conventional and unimaginative and hence dull; "why is the middle class so stodgy, so utterly without a sense of humor?"; "a stodgy dinner party")
          Also See-> formal#1; unoriginal#1

Sense 2
conventional, established -- (conforming with accepted standards; "a conventional view of the world")
       => orthodox (vs. unorthodox) -- (adhering to what is commonly accepted; "an orthodox view of the world")

Sense 3
conventional (vs. nuclear) -- ((weapons) using energy for propulsion or destruction that is not nuclear energy; "conventional warfare"; "conventional weapons")

Sense 4
conventional (vs. unconventional) -- (unimaginative and conformist; "conventional bourgeois lives"; "conventional attitudes")
       => button-down, buttoned-down, conservative -- (unimaginatively conventional; "a colorful character in the buttoned-down, dull-grey world of business"- Newsweek)
       => square, straight -- (rigidly conventional or old-fashioned)
       => stereotyped, stereotypic, stereotypical, unimaginative -- (lacking spontaneity or originality or individuality; "stereotyped phrases of condolence"; "even his profanity was unimaginative")
       => white-bread -- (of or belonging to or representative of the white middle class; "white-bread America"; "a white-bread college student")

Sense 5
conventional, formal, schematic -- (represented in simplified or symbolic form)
       => nonrepresentational (vs. representational) -- (of or relating to a style of art in which objects do not resemble those known in physical nature)

Sense 6
conventional -- (in accord with or being a tradition or practice accepted from the past; "a conventional church wedding with the bride in traditional white"; "the conventional handshake")
       => traditional (vs. nontraditional) -- (consisting of or derived from tradition; "traditional history"; "traditional morality")

Sense 7
ceremonious, conventional -- (rigidly formal or bound by convention; "their ceremonious greetings did not seem heartfelt")
       => formal (vs. informal) -- (being in accord with established forms and conventions and requirements (as e.g. of formal dress); "pay one's formal respects"; "formal dress"; "a formal ball"; "the requirement was only formal and often ignored"; "a formal education")