Synonyms for Insubstantial:

• adj.

  •airy (adjective)
  • vaporous.
  •all (adjective)
  • insubstantial,
  • unsubstantial.
  •bodiless (adjective)
  • dis-corporate,
  • dis corporate,
  • more discorporate,
  • most discorporate.
  •decrepit (adjective)
  • brokendown,
  • be draggled,
  • in firmer,
  • in-firmest,
  • in-firm,
  • most tumble down,
  • superannuated,
  • in firmest,
  • more battered,
  • creakiest,
  • most tumble-down,
  • tumble down,
  • most quavering,
  • most battered,
  • more anile,
  • more tumble down,
  • in-substantial,
  • weather beaten,
  • in-capacitated,
  • in capacitated,
  • more tumble-down,
  • tumble-down,
  • in substantial,
  • most worn out,
  • most anile,
  • more quavering,
  • in-firmer,
  • rickety,
  • be-draggled.
  •elusive (adjective)
  • in definable,
  • more phantom,
  • in comprehensible,
  • fugacious,
  • most illusory,
  • in-definable,
  • in-tangible,
  • more elusory,
  • most phantom,
  • most elusory,
  • un-specific,
  • in-comprehensible,
  • most stonewalling,
  • difficult catch,
  • mis-leading,
  • un specific,
  • more stonewalling,
  • most unspecific,
  • evanescent,
  • in tangible,
  • more unspecific,
  • mis leading.
  •ethereal (adjective)
  • sub lime,
  • un worldliest,
  • un-earthlier,
  • re fined,
  • un earthly,
  • un-earthliest,
  • un worldly,
  • un earthliest,
  • un-earthly,
  • sub-lime,
  • un-worldlier,
  • un-worldly,
  • fairier,
  • un worldlier,
  • un-worldliest,
  • un-substantial,
  • gossamer,
  • un substantial,
  • un earthlier,
  • fairiest.
  •feeble (adjective)
  • helpless,
  • impotent,
  • fainter,
  • sapless,
  • inefficient,
  • enervated,
  • out of gas,
  • insufficient,
  • wimpy,
  • Strengthless,
  • lame.
  •filmy (adjective)
  • floatiest,
  • most chiffon,
  • more chiffon,
  • fine grained,
  • trans parent,
  • most fine grained,
  • more tiffany,
  • more finegrained,
  • most fine-grained,
  • more cobwebby,
  • most cobwebby,
  • trans-parent,
  • more fine grained,
  • floatier,
  • most tiffany,
  • more fine-grained,
  • most finegrained,
  • finegrained.
  •flimsy (adjective)
  • house cards,
  • more papery,
  • most rinkydink,
  • more cut rate,
  • most cut rate,
  • shallow,
  • more cutrate,
  • most papery,
  • cutrate,
  • most cut-rate,
  • more rinkydink,
  • shallower,
  • more cut-rate,
  • most cutrate.
  •fragile (adjective)
  • more fracturable,
  • more shatterable,
  • more fragile,
  • most shatterable,
  • most fracturable.
  •frail (adjective)
  • wishy-washy,
  • most shattery,
  • more shattery,
  • wishywashy,
  • wishy washy.
  •gauzy (adjective)
  • trans lucent,
  • trans-lucent.
  •ghostly (adjective)
  • scary,
  • wraithlike,
  • apparitional,
  • wraithy,
  • ghostly,
  • holy,
  • vampiric,
  • eidolic,
  • scarier,
  • corpselike.
  •imaginary (adjective)
  • ephemeral,
  • illusory,
  • fanciful,
  • intangible,
  • imaginary.
  •imagined (adjective)
  • thought up.
  •impalpable (adjective)
  • dis embodied,
  • in-discernible,
  • most imprecise,
  • in-sensible,
  • un observable,
  • un-perceivable,
  • in-corporeal,
  • in distinct,
  • in sensible,
  • in-appreciable,
  • more unperceivable,
  • more imprecise,
  • un-apparent,
  • in corporeal,
  • more unapparent,
  • unapparent,
  • in discernible,
  • in appreciable,
  • un apparent,
  • in-distinct,
  • dis-embodied,
  • un-observable,
  • un perceivable,
  • most unapparent,
  • most unperceivable.
  •inadequate (adjective)
  • bushleague,
  • minus,
  • in considerable,
  • in-aptest,
  • un productive,
  • inconsiderable,
  • un-productive,
  • in commensurate,
  • most lemon,
  • too little,
  • un-qualified,
  • most niggardly,
  • in-commensurate,
  • in-adequate,
  • in capable,
  • un-equal,
  • un qualified,
  • junker,
  • in apter,
  • incapable,
  • in complete,
  • in-capable,
  • most stinted,
  • more stinted,
  • glitchest,
  • incomplete,
  • in-apter,
  • glitcher,
  • un equal,
  • in adequate,
  • in-considerable,
  • more niggardly,
  • more lemon,
  • in-complete,
  • lemon,
  • junkest,
  • in aptest.
  •insecure (adjective)
  • in-secure,
  • most fluctuant,
  • un-safe,
  • un-stablest,
  • un steadier,
  • un stabler,
  • un guarded,
  • in-securer,
  • most unshielded,
  • un-steadier,
  • un stablest,
  • un-reliable,
  • un-protected,
  • most rootless,
  • open attack,
  • un-guarded,
  • in securer,
  • un shielded,
  • in securest,
  • un-safest,
  • in-securest,
  • un-stable,
  • un safer,
  • more rootless,
  • unguarded,
  • more unshielded,
  • un steadiest,
  • in secure,
  • un-steadiest,
  • un stable,
  • un safest,
  • more fluctuant,
  • ex-posed,
  • un protected,
  • un reliable,
  • un-safer,
  • un safe,
  • unprotected,
  • ex posed,
  • un steady,
  • un-stabler,
  • un-shielded.
  •jerry-built (adjective)
  • jerry-rigged,
  • junky,
  • shoddy.
  •light (adjective)
  • lightest,
  • light-footed,
  • frothy,
  • Gossamery,
  • weightless,
  • unheavy,
  • Floatable,
  • Imponderous,
  • sylphlike,
  • lithe,
  • featherweight,
  • tissuelike.
  •meager (adjective)
  • in fertile,
  • in-fertile,
  • skimpest,
  • un finished,
  • scrimpest,
  • meager,
  • un-fruitful,
  • scrimpier,
  • un fruitful,
  • un-finished,
  • scrimpiest.
  •meaningless (adjective)
  • unmeaning,
  • Purportless,
  • doublespeak,
  • Unpurposed,
  • good-for-nothing,
  • doesn't cut it,
  • meaningless.
  •metaphysical (adjective)
  • jesuitic,
  • nonmaterial,
  • non-material,
  • oversubtle,
  • Unfleshly,
  • superhuman,
  • unphysical,
  • Supermundane,
  • suprahuman,
  • supranatural,
  • Supramundane.
  •nonexistent (adjective)
  • Perished,
  • without foundation,
  • passed on,
  • ungrounded,
  • passed away,
  • null and void,
  • few and far between,
  • Non-existent.
  •nonphysical (adjective)
  • unembodied,
  • Disbodied,
  • Asomatous,
  • spiritlike,
  • non-physical.
  •pale (adjective)
  • waxlike,
  • doughiest,
  • in effective,
  • more waxlike,
  • pasty,
  • most bleached,
  • most whitish,
  • in-effective,
  • washedout,
  • washed-out,
  • more bleached,
  • more whitish,
  • most waxlike.
  •paper (adjective)
  • cardboard,
  • wafer-thin,
  • disposable,
  • paper-thin,
  • paper thin.
  •piddly (adjective)
  • diddliest,
  • most rinky dink,
  • more rinky-dink,
  • two bit,
  • rinky-dink,
  • diddlier,
  • twobit,
  • rinky dink,
  • more rinky dink,
  • most rinky-dink.
  •slender/slim (adjective)
  • more beanpole,
  • more beanstalk,
  • more skeleton,
  • most beanstalk,
  • reedier,
  • reediest,
  • stalkiest,
  • most attenuate,
  • stickest,
  • more attenuate,
  • most beanpole,
  • most skeleton,
  • stalkier.
  •slight (adjective)
  • re-mote,
  • out side,
  • un essential,
  • un-essential.
  •tenuous (adjective)
  • more attenuated,
  • most attenuated.
  •thin (adjective)
  • more stretched,
  • most weak-kneed,
  • in-credible,
  • in credible,
  • un tenable,
  • more weak-kneed,
  • more weakkneed,
  • most unpersuasive,
  • un-believable,
  • un persuasive,
  • weakkneed,
  • more weak kneed,
  • un-persuasive,
  • in-conceivable,
  • most stretched,
  • weak kneed,
  • most weakkneed,
  • un-tenable,
  • in conceivable,
  • more unpersuasive,
  • un believable,
  • most diluted.
  •tottering (adjective)
  • pre-carious,
  • pre carious,
  • un sure,
  • un-sure.
  •transient/transitory (adjective)
  • fly by night,
  • most migrating,
  • more deciduous,
  • shortlived,
  • trans-migratory,
  • pro visional,
  • most emigrating,
  • most deciduous,
  • short lived,
  • more emigrating,
  • most vacating,
  • shortterm,
  • more migrating,
  • flashest,
  • trans migratory,
  • more vacating,
  • short term,
  • flasher.
  •unbodied (adjective)
  • un bodied,
  • un-bodied.
  •uncorporal (adjective)
  • un corporal,
  • un-corporal.
  •unreal (adjective)
  • Storybook,
  • notional,
  • figmental,
  • reachy.
  •unsound (adjective)
  • in correct,
  • dis eased,
  • un healthy,
  • un-sounder,
  • in sane,
  • un sounder,
  • un-balanced,
  • un healthier,
  • un hinged,
  • in-valid,
  • in saner,
  • more unbacked,
  • un-hinged,
  • in congruous,
  • un sound,
  • un-soundest,
  • un backed,
  • un-healthy,
  • de ranged,
  • un-healthiest,
  • de-ranged,
  • in valid,
  • in-sane,
  • not solid,
  • in-congruous,
  • un-sound,
  • in-saner,
  • most unbacked,
  • un healthiest,
  • un soundest,
  • un-backed,
  • in sanest,
  • in accurate,
  • dis-eased.
  •vaporous (adjective)
  • mis-tier,
  • mis tier,
  • more halituous,
  • most halituous.
  •weak (adjective)
  • forceless,
  • Impuissant,
  • weakest.
  •weakly (adjective)
  • sensile,
  • more faltering,
  • laid low,
  • most faltering,
  • most sensile,
  • more sensile.
  •weightless (adjective)
  • light as feather.

• n.

  •
  • made-up,
  • false,
  • simulated,
  • pretended,
  • mock,
  • synthetic,
  • fictitious,
  • fake,
  • hypothetical.
  •
  • diminutive,
  • discreet,
  • midget,
  • minuscule,
  • immaterial,
  • body,
  • tiny,
  • little,
  • minute,
  • small,
  • microscopic.
  •
  • delicate.
  •aerial (noun)
  • aerial.
  •aeriform (noun)
  • aeriform.
  •aery (noun)
  • aery.
  •airy (noun)
  • airy.
  •flimsy (noun)
  • petty,
  • poor.
  •insubstantial (noun)
  • unwholesome,
  • jejune,
  • shadowy.

• Other synonyms:

  •
  • unbodied,
  • nonphysical,
  • Discarnate,
  • uncorporal.
  •
  • disembodied,
  • infirm,
  • incorporeal,
  • spiritual,
  • puny.
  •
  • fragile.
  •Other relevant words:
  • juvenile,
  • concealed,
  • deficit,
  • dreamlike,
  • sophistic,
  • uncompressed,
  • unworldly,
  • attenuated,
  • wobbling,
  • untrustworthy,
  • assumed,
  • review,
  • volatile,
  • gingerbread,
  • desultory,
  • Non-essential,
  • field day,
  • treacherous,
  • hidden,
  • capricious,
  • pageant,
  • trivial,
  • hallucinatory,
  • girlish,
  • unsure,
  • thin-bodied,
  • external,
  • precarious,
  • niggling,
  • transparent,
  • deep,
  • thinned,
  • broken-down,
  • unrealistic,
  • arcane,
  • nominal,
  • delusive,
  • conceptual,
  • indefinite,
  • namby-pamby,
  • outward,
  • illusional,
  • watered,
  • transitive,
  • unavailing,
  • flashy,
  • facile,
  • adulterated,
  • unextended,
  • Inexistent,
  • windy,
  • tatty,
  • surface,
  • insipid,
  • inessential,
  • finespun,
  • Slinky,
  • scarceness,
  • perishable,
  • ineffectual,
  • Extramundane,
  • nugatory,
  • slipshod,
  • dainty,
  • Uncompact,
  • gaseous,
  • doubtful,
  • vain,
  • illusive,
  • minor,
  • pageantry,
  • nebulous,
  • boyish,
  • paucity,
  • delusory,
  • remote,
  • bootless,
  • unreliable,
  • creaking,
  • supernatural,
  • unprofound,
  • brittle,
  • fleeting,
  • fugitive,
  • underage,
  • peekaboo,
  • pointless,
  • spectral,
  • hazy,
  • cursory,
  • fantastic,
  • meagre,
  • blank,
  • sketchy,
  • Unsustained,
  • fancied,
  • falling apart,
  • fading,
  • Unsteadfast,
  • diluted,
  • inconclusive,
  • derelict,
  • hazardous,
  • recondite,
  • dying,
  • deficiency,
  • exhibition,
  • lightweight,
  • visionary,
  • cosmetic,
  • veiled,
  • cut,
  • nondurable,
  • worthless,
  • senseless,
  • fly-by-night,
  • insignificant,
  • rare,
  • slim,
  • inconstant,
  • tawdry,
  • unsatisfying,
  • incorporate,
  • lacy,
  • lack,
  • abstruse,
  • Unsolid,
  • impulsive,
  • dim,
  • demonstration,
  • groundless,
  • scanty,
  • flourish of trumpets,
  • skin-deep,
  • delusional,
  • nonpermanent,
  • dubious,
  • unsatisfactory,
  • artificial,
  • Thinnish,
  • vague,
  • svelte,
  • phantasmal,
  • Picayunish,
  • shifty,
  • obscure,
  • dreamy,
  • cheap,
  • unessential,
  • poverty,
  • fluffy,
  • falling down,
  • temporal,
  • subtle,
  • shifting,
  • chimeric,
  • promenade,
  • Wiredrawn,
  • shortage,
  • frangible,
  • misty,
  • superficial,
  • hallucinative,
  • Crumbling,
  • wasp-waisted,
  • Subtile,
  • insufficiency,
  • tumbledown,
  • provisional,
  • flying,
  • unsteady,
  • celebration,
  • apparent,
  • exposition,
  • slender,
  • phantom,
  • piddling,
  • occult,
  • diaphanous,
  • run-down,
  • perilous,
  • makeshift,
  • wispy,
  • chintzy,
  • negligible,
  • breakable,
  • trifling,
  • unearthly,
  • corruptible,
  • stringy,
  • ramshackle,
  • irrelevant,
  • unimportant,
  • willowy,
  • gala,
  • Omitted,
  • temporary,
  • delusionary,
  • translucent,
  • in disrepair,
  • watery,
  • drooping,
  • glib,
  • attenuate,
  • ruined,
  • surreal,
  • half-baked,
  • cranky,
  • formless,
  • slippery,
  • hallucinational,
  • empty,
  • undependable,
  • beyond repair,
  • frivolous,
  • watered-down,
  • unconvincing,
  • phantasmagoric,
  • baseless,
  • wobbly,
  • minimal,
  • dilute,
  • airy-fairy,
  • faint,
  • hollow,
  • ticklish,
  • not difficult,
  • purposeless,
  • wet,
  • unconcrete,
  • to no avail,
  • phantasmagorical,
  • risky,
  • dangerous,
  • short-lived,
  • mutable,
  • hypocritical,
  • puerile,
  • transitory,
  • missing,
  • flying colors,
  • passing,
  • chimerical,
  • inconsequential,
  • spectacle,
  • inefficacious,
  • fine-drawn,
  • changeable,
  • unstable,
  • dilapidated,
  • idle,
  • imperceptible,
  • fickle,
  • sheer,
  • unproved,
  • fine,
  • insincere,
  • implausible,
  • psychic,
  • tottery,
  • tentative,
  • gracile,
  • of no moment,
  • otherworldly,
  • tomfoolery,
  • psychical,
  • neglected,
  • scantiness,
  • ineffective,
  • threadlike,
  • valueless,
  • procession,
  • inadequacy,
  • illusionary,
  • set out,
  • astral,
  • token,
  • impermanent,
  • Unenduring,
  • feathery,
  • rarefied,
  • Flitting,
  • shabby,
  • profound,
  • unbelievable,
  • paltry,
  • impetuous,
  • gimcrack,
  • adolescent,
  • shaky,
  • mortal,
  • negative,
  • sleazy,
  • imponderable,
  • slick,
  • defalcation,
  • undirected,
  • momentary,
  • transmundane.

Paraphrases for Insubstantial:

• Independent

  • Adjective
    flimsy, inconsistent, insufficient, meagre, weak, scant, disappointing, scarce, negligible.

• Other Related

  • Adjective
    feeble, inadequate, insignificant, thin, lean, inconsequential, unsatisfactory, trifling, poor, sparse.

Antonyms for Insubstantial:

• adj.

  • all
    substantial.
  • weak, imaginary
    genuine, serious, real, thick, strong.
  • Other antonyms:
    detectable, bulky, coarse, sturdy, animal, heavy, noticeable, tough, discernible, sensible, visible, wholesome, solid, rough, rude, durable, lasting, observable, knockabout.