Synonyms for Improv:

• adj.

  •extemporaneous/extemporary (adjective)
  • unpremeditated,
  • expedient,
  • winging it,
  • made-up,
  • makeshift,
  • snap,
  • ad hoc,
  • spontaneous,
  • extempore,
  • automatic,
  • unstudied,
  • unprepared,
  • offhand,
  • free,
  • casual,
  • immediate,
  • spur-of-the-moment,
  • unplanned.
  •impromptu (adjective)
  • Extemporized,
  • played by ear,
  • winged,
  • Vamped,
  • whipped up,
  • fake,
  • faked,
  • ad-lib.
  •informal (adjective)
  • easy,
  • unofficial,
  • congenial,
  • open,
  • mellow,
  • unceremonious,
  • intimate,
  • ordinary,
  • democratic,
  • everyday,
  • loose,
  • inconspicuous,
  • frank,
  • Familiar,
  • cool,
  • natural,
  • urbane,
  • unrestrained,
  • straightforward,
  • mixed,
  • unconstrained,
  • breezy,
  • homey,
  • unconventional,
  • sporty,
  • colloquial,
  • relaxed,
  • easygoing.
  •off the cuff (adjective)
  • improvised,
  • off-hand,
  • unrehearsed.
  •Other relevant words: (adjective)
  • extemporary,
  • jamming,
  • on-the-spot,
  • throwaway,
  • off the top of head,
  • off the cuff,
  • toss off,
  • at first glance,
  • toss out,
  • free-and-easy,
  • ad lib,
  • tossed out,
  • by ear,
  • thought out loud,
  • laid back,
  • ADLIB,
  • unfussy,
  • on impulse,
  • Autoschediastic,
  • without ceremony,
  • dashed off,
  • on the spot,
  • taking for ride,
  • motley,
  • thrown off,
  • folksy,
  • low-pressure,
  • extemporaneous,
  • low pressure,
  • Improvisatory,
  • unscripted,
  • Improviso,
  • tossed off,
  • shot from the hip,
  • off top of head,
  • down home,
  • impromptu,
  • informal,
  • off-the-cuff,
  • snapper.

• a. & adv.

  •impromptu (adjective, adverb)
  • un scripted.

• adv.

  •off the cuff (adverb)
  • off the hip,
  • extemporaneously,
  • spur of the moment,
  • off the top of one's head.

• v.

  •improvise (verb)
  • invent,
  • jam,
  • devise,
  • contrive,
  • brainstorm,
  • extemporize,
  • knock off,
  • dream up,
  • concoct,
  • coin,
  • slapdash,
  • spark.
  •make up (verb)
  • improvise,
  • formulate,
  • mix,
  • write,
  • Fabulize,
  • originate,
  • frame,
  • play by ear,
  • fabricate,
  • meld,
  • hatch,
  • fix,
  • construct,
  • compose,
  • join,
  • fuse,
  • cook up,
  • Storify,
  • merge,
  • mingle,
  • ready,
  • compound,
  • make,
  • pretend,
  • put together,
  • blend,
  • whip up,
  • prepare,
  • combine,
  • fictionalize,
  • fashion,
  • trump up.
  •wing it (verb)
  • play it by ear.

• Other synonyms:

  •create
  • make up.
  •make up
  • writes,
  • makes up,
  • storified,
  • made up.
  •Other relevant words:
  • twinkle,
  • catch up with,
  • handbill,
  • figure,
  • broadsheet,
  • cool off,
  • sparkle,
  • calico,
  • get by,
  • material body,
  • act,
  • rise,
  • grab,
  • outspoken,
  • spontaneously,
  • get,
  • lifelike,
  • frantic,
  • thieve,
  • perfunctory,
  • piss,
  • fuzee,
  • miscellany,
  • fuze,
  • link,
  • blowy,
  • even off,
  • jazzy,
  • hunky-dory,
  • ram,
  • hotdog,
  • cursory,
  • determine,
  • mixed bag,
  • wienerwurst,
  • trigger,
  • situate,
  • relinquish,
  • throw,
  • point-blank,
  • straightaway,
  • varicolored,
  • trip,
  • portmanteau,
  • aggregate,
  • robotlike,
  • soma,
  • popular,
  • reconstruct,
  • falsify,
  • pee,
  • liquidate,
  • develop,
  • gentle,
  • delirious,
  • gear up,
  • average,
  • deal,
  • release,
  • shit,
  • think up,
  • internal,
  • organize,
  • take in,
  • unite,
  • name,
  • close up,
  • cast aside,
  • work,
  • faux,
  • desexualise,
  • insouciant,
  • opened,
  • variety,
  • brood,
  • misrepresent,
  • furbish up,
  • integrate,
  • self-generated,
  • dash off,
  • ca-ca,
  • doctor,
  • instinctive,
  • unfold,
  • underframe,
  • fudge together,
  • conversational,
  • seduce,
  • produce,
  • reflexive,
  • kettle of fish,
  • insight,
  • innocent,
  • elasticity,
  • deposit,
  • mad,
  • pay,
  • immingle,
  • sham,
  • impede,
  • create,
  • crush,
  • cancel,
  • circular,
  • constitute,
  • gamin,
  • candid,
  • stimulate,
  • commingle,
  • mundane,
  • duck soup,
  • make out,
  • contiguous,
  • settle,
  • portmanteau word,
  • dissemble,
  • initiate,
  • cast out,
  • manufacture,
  • workaday,
  • prompt,
  • loosen,
  • progress to,
  • blunt,
  • unblock,
  • electrical fuse,
  • slipshod,
  • improper,
  • impostor,
  • way,
  • retrace,
  • hazard,
  • gain,
  • conciliate,
  • shave,
  • poise,
  • mellow out,
  • multi-colored,
  • click,
  • set up,
  • making do,
  • assailable,
  • limit,
  • windy,
  • fake it,
  • mending,
  • occasional,
  • ex tempore,
  • catch,
  • rude,
  • do offhand,
  • knowledgeable,
  • miscellanea,
  • melt,
  • bushel,
  • sportsmanlike,
  • centering,
  • bastard,
  • junction,
  • compile,
  • stopgap,
  • fusee,
  • touch on,
  • desex,
  • lay down,
  • restore,
  • immix,
  • nerveless,
  • cop,
  • okay,
  • postmark,
  • dog,
  • snitch,
  • sporting,
  • canasta,
  • fasten,
  • hatchback door,
  • speaking off the cuff,
  • coolheaded,
  • throw away,
  • pseudo,
  • reflex,
  • deepen,
  • on the loose,
  • sundry,
  • hook,
  • well-fixed,
  • brainwave,
  • well-to-do,
  • offhandedly,
  • mixing,
  • lax,
  • mend,
  • hole,
  • false,
  • novelize,
  • undefendable,
  • bogus,
  • pen,
  • wad,
  • phony,
  • connect,
  • snap bean,
  • plan,
  • liberal,
  • kill,
  • unceremonial,
  • groom,
  • jumble,
  • block,
  • sum,
  • induce,
  • manner,
  • bill,
  • easily,
  • grow,
  • vary,
  • superficial,
  • potpourri,
  • affect,
  • give up,
  • extemporisation,
  • assuredness,
  • weenie,
  • primer,
  • clear,
  • cinch,
  • outdoors,
  • relieve,
  • arc,
  • get together,
  • hold,
  • fictionalise,
  • exempt,
  • feign,
  • actuate,
  • compensate,
  • think of,
  • straight,
  • mint,
  • biological,
  • skeletal frame,
  • devoid,
  • born,
  • fine,
  • forge,
  • pretender,
  • obstruct,
  • indite,
  • clean,
  • unaffixed,
  • gingersnap,
  • mixture,
  • put away,
  • speak off the cuff,
  • reach,
  • particoloured,
  • prosperous,
  • scratch off,
  • slowly,
  • skeletal system,
  • center,
  • neutralise,
  • glom,
  • desegregate,
  • link up,
  • realize,
  • mellowed,
  • profess,
  • location,
  • walkover,
  • frankfurter,
  • basket rummy,
  • nominate,
  • wanton,
  • blending,
  • pass water,
  • postiche,
  • inning,
  • receptive,
  • counterfeit,
  • excogitate,
  • throng,
  • drink down,
  • snatch,
  • colonial,
  • frame in,
  • desexualize,
  • shot,
  • plainspoken,
  • well-off,
  • idle,
  • muddle,
  • spark off,
  • miscellaneous,
  • multi-color,
  • cover,
  • bull,
  • unloose,
  • activate,
  • faker,
  • sterilise,
  • human body,
  • spread out,
  • flyer,
  • style,
  • establish,
  • salmagundi,
  • retell,
  • imposter,
  • painted,
  • wee,
  • multicolored,
  • union,
  • hot dog,
  • complimentary,
  • unify,
  • micturate,
  • break down,
  • grapple,
  • pay back,
  • fling,
  • ruffle,
  • free-spoken,
  • aboveboard,
  • electric arc,
  • flesh,
  • intermixture,
  • make believe,
  • chock up,
  • comprise,
  • premix,
  • mellowly,
  • posit,
  • excited,
  • pay off,
  • discarded,
  • daily,
  • absolve,
  • unwritten,
  • showy,
  • counterbalance,
  • put,
  • train,
  • physical body,
  • routine,
  • coalesce,
  • project,
  • bolt down,
  • drop,
  • pack,
  • inner,
  • homelike,
  • bang,
  • wangle,
  • give,
  • cracker,
  • occlude,
  • heighten,
  • stool,
  • flier,
  • invisible,
  • out-of-doors,
  • design,
  • haphazard,
  • imitation,
  • flick,
  • simulated,
  • discharge,
  • cook,
  • liftgate,
  • guess,
  • unresolved,
  • particolored,
  • pour down,
  • hachure,
  • cope,
  • cracking,
  • undefended,
  • polished,
  • fixture,
  • make-do,
  • make water,
  • exposed,
  • attain,
  • snap fastener,
  • chuck out,
  • sterilize,
  • rid,
  • fraud,
  • smorgasbord,
  • cracker bonbon,
  • amalgamate,
  • border,
  • homy,
  • talk through one's hat,
  • wee-wee,
  • word,
  • ensnare,
  • frame of reference,
  • free people,
  • slack,
  • multicolor,
  • unloosen,
  • physique,
  • earn,
  • cast-off,
  • soft,
  • ad libitum,
  • represent,
  • shuffling,
  • combining,
  • piebald,
  • effortless,
  • automatic pistol,
  • manage,
  • get to,
  • neutralize,
  • organise,
  • piddle,
  • assorted,
  • pop,
  • conception,
  • assemble,
  • tack together,
  • pushover,
  • unremarkable,
  • correct,
  • raw,
  • piece,
  • be,
  • intermingle,
  • ordinary bicycle,
  • well-heeled,
  • conjoin,
  • corporate trust,
  • entrap,
  • localization,
  • barren,
  • cool down,
  • cram,
  • automatonlike,
  • localisation,
  • joint,
  • insinuate,
  • extemporarily,
  • form,
  • varicoloured,
  • pee-pee,
  • drop a line,
  • machine rifle,
  • pile,
  • wiener,
  • role player,
  • child's play,
  • chance,
  • jampack,
  • mess,
  • flashy,
  • cartel,
  • ok,
  • tack,
  • juncture,
  • frame up,
  • slow,
  • crap,
  • aplomb,
  • heart-to-heart,
  • secure,
  • specify,
  • waste,
  • unwitting,
  • sexual,
  • quick,
  • wing it,
  • venture,
  • sloppy,
  • disembarrass,
  • laid-back,
  • shape,
  • well-situated,
  • priming,
  • temporary expedient,
  • do off the top of your head,
  • cast,
  • take,
  • throw together,
  • conflate,
  • hatching,
  • draw,
  • shuffle,
  • sluttish,
  • go,
  • hatchback,
  • even out,
  • make do,
  • reconcile,
  • crack,
  • ginger nut,
  • afford,
  • Improvisate,
  • broadside,
  • arrive at,
  • multi-coloured,
  • take a leak,
  • bolt,
  • mob,
  • flux,
  • subject,
  • spread,
  • common snapping turtle,
  • arise,
  • versed,
  • extemporise,
  • trigger off,
  • sang-froid,
  • destitute,
  • do in,
  • fall in,
  • take a crap,
  • dispose,
  • build,
  • spring up,
  • unleash,
  • breeze,
  • detached,
  • leisurely,
  • undetermined,
  • bod,
  • machinelike,
  • intensify,
  • unlawful,
  • pickle,
  • suggest,
  • redact,
  • straight-from-the-shoulder,
  • snarl,
  • phoney,
  • square,
  • spell,
  • bullshit,
  • intermix,
  • admixture,
  • unfastened,
  • incubate,
  • uncontrived,
  • skeleton,
  • crosshatch,
  • defecate,
  • overt,
  • articulate,
  • give voice,
  • quotidian,
  • snatch up,
  • pied,
  • framework,
  • multicolour,
  • anatomy,
  • locating,
  • fling off,
  • even up,
  • bust,
  • all right,
  • strike,
  • press,
  • forthright,
  • cushy,
  • pull in,
  • variegate,
  • throw out,
  • urinate,
  • homely,
  • surface,
  • passing,
  • on-the-scene,
  • capable,
  • at large,
  • shoot,
  • escaped,
  • dislodge,
  • thrown-away,
  • manipulate,
  • mode,
  • brand,
  • set off,
  • contend,
  • trust,
  • comfortable,
  • explicate,
  • refined,
  • private,
  • confidant,
  • scramble,
  • costless,
  • commix,
  • chemical compound,
  • chassis,
  • press stud,
  • smack,
  • repair,
  • multi-colour,
  • set,
  • do off top of head,
  • glint,
  • picnic,
  • dash down,
  • score,
  • phrase,
  • make-believe,
  • high,
  • disengage,
  • save,
  • electric discharge,
  • spare,
  • ginger snap,
  • improvize,
  • nonchalant,
  • light,
  • open air,
  • puddle,
  • robotic,
  • draw up,
  • mix in,
  • photograph,
  • uprise,
  • fudge,
  • novelise,
  • take a shit,
  • gratis,
  • discard,
  • unsex,
  • interracial,
  • relieve oneself,
  • touch off,
  • framing,
  • unfreeze,
  • unintentional,
  • electronic jamming,
  • educate,
  • flicker,
  • innate,
  • bring in,
  • assortment,
  • at first sight,
  • reparation,
  • down,
  • let loose,
  • belt down,
  • open up,
  • cozy,
  • cast away,
  • get up,
  • parti-color,
  • couch,
  • multicoloured,
  • shammer,
  • offhanded,
  • patch up,
  • fixing,
  • fixate,
  • concept,
  • toss away,
  • automatic rifle,
  • slap,
  • lose it,
  • blend in,
  • piece of cake,
  • resign,
  • rupture,
  • realise,
  • gratuitous,
  • promiscuous,
  • spend a penny,
  • have,
  • cause,
  • commixture,
  • gaudy,
  • relax,
  • machinate,
  • start,
  • tear,
  • undecided,
  • define,
  • articulation,
  • made do,
  • tardily,
  • liberate,
  • adumbrate,
  • chill,
  • pseud,
  • obturate,
  • snapshot,
  • toss,
  • jury-rigged,
  • safety fuse.

Antonyms for Improv:

• adj.

  • extemporaneous
    premeditated.
  • extemporaneous/extemporary
    written, prepared, Rehearsed, read, planned.
  • impromptu
    deliberate.
  • informal
    rigid, official, formal, ceremonious, stiff, dressed-up, buttoned-up.

• n.

  • Other antonyms:
    bit, drill, routine.

• v.

  • improvise
    devise, design, premeditate, plan.
  • make up
    disagree, be real, tell truth.