Synonyms for Un conventional:

• adj.

  •advanced (adjective)
  • higher,
  • state-of-the-art,
  • late,
  • extreme,
  • cutting-edge,
  • excellent,
  • precocious,
  • leading,
  • leading-edge,
  • foremost,
  • forward,
  • first,
  • breakthrough,
  • liberal,
  • unconventional,
  • exceptional,
  • radical,
  • progressive.
  •atypic (adjective)
  • uncharacteristic,
  • unordinary.
  •curious (adjective)
  • novel,
  • remarkable,
  • puzzling,
  • wonderful,
  • strange,
  • mysterious,
  • unexpected,
  • quaint,
  • marvelous,
  • weird,
  • exotic,
  • peculiar,
  • singular,
  • extraordinary,
  • queer,
  • rare.
  •different (adjective)
  • several,
  • diverse,
  • specific,
  • particular,
  • discrete,
  • something else,
  • another story,
  • specialized,
  • other,
  • express,
  • startling,
  • special,
  • especial,
  • another,
  • various.
  •dotty (adjective)
  • foolish,
  • goofy,
  • odd,
  • ridiculous,
  • nutty,
  • loony,
  • daft,
  • nuts,
  • demented,
  • absurd,
  • twisted,
  • mentally unbalanced,
  • disturbed.
  •eccentric (adjective)
  • curious,
  • erratic,
  • wild,
  • droll,
  • far out,
  • anomalous,
  • whimsical,
  • bent,
  • way out,
  • cockeyed,
  • funny,
  • aberrant,
  • quirky,
  • quizzical,
  • off-center,
  • freak,
  • characteristic,
  • flaky,
  • abnormal,
  • outlandish,
  • unnatural,
  • capricious,
  • funky.
  •extreme (adjective)
  • flagrant,
  • drastic,
  • extravagant,
  • dire,
  • uncompromising,
  • out of proportion,
  • outrageous,
  • fanatical,
  • rigid,
  • nonsensical,
  • absolute,
  • unreasonable,
  • stern,
  • harsh,
  • imprudent,
  • downright,
  • strict,
  • overkill,
  • sheer,
  • gross,
  • severe,
  • fabulous,
  • improper,
  • thorough,
  • inordinate,
  • irrational,
  • zealous,
  • egregious,
  • unbending,
  • desperate,
  • unseemly,
  • intemperate,
  • out-and-out,
  • preposterous,
  • utter,
  • rabid,
  • exaggerated,
  • excessive,
  • immoderate.
  •far-out (adjective)
  • ultamodern,
  • out of this world,
  • deep,
  • modernistic,
  • boss,
  • swell,
  • sensational,
  • fantastic,
  • super,
  • mod,
  • nifty,
  • cool,
  • modern,
  • neat,
  • contemporary,
  • rad,
  • groovy,
  • bohemian,
  • hip,
  • very unconventional,
  • trendy,
  • hippie.
  •far out (adjective)
  • ultramodern.
  •flaky (adjective)
  • screwy,
  • Half-cracked,
  • wacky,
  • Birdy,
  • haywire.
  •freakish (adjective)
  • malformed,
  • outre,
  • Vagarious,
  • grotesque,
  • arbitrary,
  • wayward,
  • monstrous,
  • preternatural.
  •fresh (adjective)
  • glistening,
  • comer,
  • beginning,
  • unseasoned,
  • newborn,
  • newfangled,
  • now,
  • green,
  • hot,
  • immature,
  • recent,
  • latest,
  • gleaming,
  • hot off the press,
  • crude,
  • young,
  • just out,
  • different,
  • mint,
  • youthful,
  • natural,
  • unprocessed,
  • current,
  • the latest,
  • this season's,
  • Neoteric,
  • brand-new,
  • what's happening,
  • raw,
  • virginal,
  • untouched,
  • sparkling,
  • up-to-date,
  • crisp.
  •funky (adjective)
  • fashionable,
  • modish,
  • earthy.
  •gonzo (adjective)
  • insane,
  • far-fetched.
  •improper (adjective)
  • unrightful,
  • wrongful,
  • indecorous,
  • suggestive,
  • dirty,
  • untoward,
  • unjust,
  • indelicate,
  • unrighteous,
  • rough,
  • unethical,
  • indecent,
  • salacious,
  • unbecoming,
  • impolite,
  • ungodly,
  • lewd,
  • blue,
  • malodorous,
  • Unequitable,
  • wrong,
  • naughty.
  •informal (adjective)
  • free-and-easy,
  • motley,
  • everyday,
  • low-pressure,
  • off-the-cuff,
  • without ceremony,
  • spontaneous,
  • free,
  • sporty,
  • extempore,
  • unrestrained,
  • down home,
  • straightforward,
  • homey,
  • Familiar,
  • open,
  • mellow,
  • folksy,
  • unconstrained,
  • easy,
  • unofficial,
  • relaxed,
  • loose,
  • congenial,
  • easygoing,
  • IMPROV,
  • unfussy,
  • mixed,
  • ordinary,
  • laid back,
  • frank,
  • inconspicuous,
  • democratic,
  • urbane,
  • breezy,
  • colloquial,
  • intimate,
  • throwaway.
  •irregular (adjective)
  • deviant,
  • off-key,
  • unsuitable,
  • divergent,
  • disorderly,
  • inappropriate.
  •kinky (adjective)
  • licentious,
  • warped,
  • sick,
  • Degenerated,
  • depraved.
  •kooky (adjective)
  • cranky.
  •lewd (adjective)
  • lecherous,
  • scurrilous,
  • lustful,
  • libertine,
  • wanton,
  • unclean,
  • impure,
  • smutty,
  • lascivious,
  • racy,
  • pornographic,
  • filthy,
  • unvirtuous,
  • profligate,
  • X-rated,
  • libidinous,
  • vile,
  • ribald,
  • erotic,
  • off-color,
  • shameless,
  • wicked,
  • incontinent,
  • bawdy,
  • hard-core,
  • obscene,
  • taboo,
  • coarse,
  • in bad taste,
  • foul-mouthed,
  • fast,
  • scandalous,
  • immoral,
  • questionable,
  • immodest,
  • unchaste,
  • rakish.
  •liberal (adjective)
  • humanistic,
  • receptive,
  • permissive,
  • interested,
  • unprejudiced,
  • Receiving,
  • reformist,
  • general,
  • flexible,
  • broad-minded,
  • intelligent,
  • reasonable,
  • unbiased,
  • broad,
  • understanding,
  • enlightened,
  • high-minded,
  • libertarian,
  • left,
  • lenient,
  • advanced,
  • tolerant,
  • humanitarian,
  • magnanimous,
  • unbigoted,
  • latitudinarian,
  • rational,
  • indulgent,
  • catholic.
  •odd/oddball (adjective)
  • spacey,
  • uncanny,
  • off-the-wall,
  • character.
  •offbeat (adjective)
  • fresh.
  •off the wall (adjective)
  • nonconforming,
  • wigged out,
  • not tightly wrapped,
  • unpredictable,
  • schizoid,
  • schizo.
  •original (adjective)
  • imaginative,
  • productive,
  • Conceiving,
  • ingenious,
  • innovative,
  • inventive,
  • innovatory,
  • fertile,
  • originative,
  • avant garde,
  • ready,
  • causative,
  • envisioning,
  • devising,
  • creative,
  • seminal,
  • generative,
  • formative,
  • sensitive,
  • inspiring,
  • breaking new ground,
  • causal,
  • Demiurgic,
  • quick,
  • innovational,
  • resourceful,
  • untried,
  • unprecedented.
  •outlandish (adjective)
  • barbarous,
  • barbaric,
  • awkward,
  • alien,
  • uncouth,
  • boorish,
  • graceless,
  • tasteless,
  • unheard-of,
  • foreign,
  • gauche,
  • rude,
  • clumsy,
  • ultra.
  •peculiar (adjective)
  • creepy.
  •queer (adjective)
  • eerie,
  • disquieting,
  • suspicious,
  • mad,
  • fly ball,
  • doubtful,
  • unhinged,
  • unbalanced,
  • touched,
  • fishy,
  • dubious,
  • shady.
  •quirky (adjective)
  • in left field.
  •raffish (adjective)
  • casual,
  • disreputable,
  • jaunty,
  • careless,
  • dashing,
  • gay,
  • devil-may-care,
  • tawdry,
  • vulgar.
  •scabrous (adjective)
  • indiscreet,
  • shocking.
  •screwy (adjective)
  • batty,
  • dotty.
  •subterrestrial (adjective)
  • Hypogean,
  • Hypogeous,
  • hypogeal,
  • subterranean.
  •unaccustomed (adjective)
  • surprising,
  • imported,
  • unknown,
  • unwonted,
  • altered,
  • unfamiliar,
  • variant.
  •uncommon (adjective)
  • nondescript,
  • arcane,
  • sporadic,
  • scarce,
  • prodigious,
  • few,
  • out of the way,
  • unheard of,
  • unaccustomed,
  • noteworthy,
  • infrequent,
  • seldom.
  •unconventional (adjective)
  • freakish,
  • avant-garde,
  • anarchistic,
  • unceremonious,
  • kinky,
  • kooky,
  • nonconformist,
  • freaky,
  • idiosyncratic,
  • individual,
  • off the beaten track,
  • individualistic,
  • far-out,
  • out in left field,
  • bizarre,
  • unusual,
  • free and easy,
  • eccentric,
  • informal,
  • weirdo,
  • irregular,
  • original,
  • crazy,
  • uncustomary,
  • way-out,
  • out of the ordinary,
  • atypical,
  • off the wall,
  • oddball,
  • unorthodox,
  • uncommon,
  • offbeat,
  • unique,
  • beat.
  •underground (adjective)
  • undercover,
  • under wraps,
  • revolutionary,
  • alternative,
  • on the qt,
  • resistive,
  • on the sly,
  • clandestine,
  • unbowed,
  • experimental,
  • covert,
  • resistant,
  • surreptitious,
  • hush-hush,
  • concealed,
  • hidden,
  • private.
  •unordinary (adjective)
  • Atypic.
  •unorthodox (adjective)
  • heretical,
  • dissident,
  • schismatic,
  • sectarian,
  • beatnik,
  • heterodox,
  • off the beaten path.
  •unusual (adjective)
  • conspicuous,
  • memorable,
  • eminent,
  • significant,
  • phenomenal,
  • awesome,
  • prominent,
  • inconceivable,
  • awe-inspiring,
  • refreshing,
  • amazing,
  • distinguished,
  • outstanding,
  • astonishing,
  • unparalleled,
  • incredible.
  •wrong (adjective)
  • incorrect,
  • rotten,
  • disproportionate,
  • unfit,
  • unhappy,
  • unfitting,
  • not done,
  • incongruous,
  • misplaced,
  • malapropos,
  • unsatisfactory,
  • undesirable,
  • off-balance,
  • amiss,
  • unacceptable,
  • unfitted,
  • ill-advised,
  • inapt,
  • infelicitous,
  • bad.

Antonyms for Un conventional:

• adj.

  • advanced
    after, behind.
  • curious
    disinterested, commonplace, indifferent, uninterested, average, incurious, Familiar.
  • different
    harmonious, general, correspondent, alike, united, homogeneous, similar, uniform, Resembling, like, same, unified, indefinite, unimportant.
  • eccentric
    dull, reasonable, plain, unexciting, boring.
  • extreme
    limited, logical, nice, pleasing, near, mild, close, moderate, easy, calm, sensible, uncertain, good.
  • flaky
    sane.
  • freakish
    natural.
  • fresh
    kind, gentle, experienced, exhausted, worn, lifeless, tired, used, old-fashioned, polite, stale, unenergetic, old, warm.
  • improper
    decent, correct, appropriate, acceptable, suitable, ethical, just, proper, Uncorrupt, fitting, honest, moral, fair, right.
  • informal
    buttoned-up, rigid, stiff, dressed-up, ceremonious, official.
  • irregular
    even, smooth, systematic, level, flat, methodical.
  • kinky
    straight, Unperverted, untwisted, unkinked, clean.
  • lewd
    pure, upright, chaste.
  • liberal
    lacking, mean, specific, thrifty, poor, narrow, economical, narrow-minded, greedy, conservative, ungenerous, wanting, intolerant.
  • odd/oddball
    habitual.
  • offbeat
    expected.
  • original
    newest, slow, derivative, uneducated, unimaginative, uncreative, hackneyed, Borrowed, latest, uninventive.
  • peculiar
    abnormal, uncharacteristic.
  • queer
    balanced, typical, well, sound, healthy, stable.
  • raffish
    couth, Behaved.
  • unaccustomed
    customary, prepared, ready, accustomed.
  • uncommon
    frequent, imperfect, bad.
  • unconventional
    formal, ordinary, usual, conventional, common, standard, normal, regular.
  • underground
    authorized, legal, open, aboveground, ground, Condoned, known, public, sky.
  • unorthodox
    orthodox.
  • unusual
    unexceptional, unnoteworthy, insignificant.
  • wrong
    true, ok.