Definition for Improper:

• Inaccurate, wrong; i. fraction( greater than 1, with numerator greater than denominator); unseemly, indecent. Hence improperly adv.

Synonyms for Improper:

• adj.

  •disrespectful (adjective)
  • impertinent,
  • impudent,
  • insolent,
  • irreverent,
  • disrespectful.
  •extreme (adjective)
  • out of proportion.
  •false (adjective)
  • inexact.
  •impossible (adjective)
  • objectionable.
  •improper (adjective)
  • scabrous,
  • untoward.
  •inappropriate (adjective)
  • Unmeet,
  • of place,
  • malapropos,
  • untimely,
  • unbefitting,
  • out.
  •irregular (adjective)
  • quirky.
  •nonconforming (adjective)
  • deviant,
  • different,
  • outlandish,
  • erratic,
  • incompatible,
  • abnormal,
  • odd,
  • uncustomary,
  • unique,
  • bizarre,
  • misfit,
  • crazy,
  • exceptional,
  • extraordinary,
  • crosspatch,
  • un-ordinary,
  • deranged,
  • eccentric,
  • novel,
  • oddball,
  • idiosyncratic,
  • unfamiliar,
  • aberrant,
  • uncommon,
  • nonconforming,
  • atypical,
  • curious,
  • untypical,
  • peculiar,
  • mismatch,
  • inconsistent,
  • divergent,
  • oddity,
  • strange,
  • anomalous,
  • out of the ordinary,
  • unusual,
  • freakish,
  • off,
  • queer,
  • singular,
  • fey.
  •not suitable (adjective)
  • discrepant,
  • inaccurate,
  • unseasonable,
  • preposterous,
  • bad form,
  • uncalled-for,
  • at odds,
  • awkward,
  • inharmonious,
  • ludicrous,
  • inexpedient,
  • unwarranted,
  • discordant,
  • ill-advised,
  • off-base,
  • imprudent,
  • erroneous.
  •wicked (adjective)
  • debased,
  • villainous,
  • perverse,
  • iniquitous,
  • damnable,
  • corrupt,
  • criminal,
  • sadistic,
  • base,
  • debauched,
  • evildoing,
  • blameworthy,
  • bad,
  • reprehensible,
  • sinful,
  • scandalous,
  • black,
  • felonious,
  • wicked,
  • shocking,
  • lawbreaking,
  • immoral,
  • degenerate,
  • obnoxious,
  • depraved,
  • Misdoing,
  • sinister,
  • wrongdoing.
  •wrong (adjective)
  • faulty,
  • illegal,
  • mistaken,
  • untrue,
  • fallacious.

• n.

  •
  • clandestine,
  • unauthorized.
  •
  • sensual,
  • Unapt.
  •
  • evil,
  • immodest,
  • perverted,
  • sordid,
  • amoral.
  •immoral (noun)
  • suggestive.
  •improper (noun)
  • out-of-the-way,
  • irregular,
  • uncomely.

• Other synonyms:

  •
  • lawless,
  • counterfeit,
  • actionable,
  • inconvenient,
  • inopportune,
  • outmoded,
  • smell,
  • illegality,
  • seedy,
  • delinquent.
  •
  • impure,
  • rude,
  • unfortunately,
  • unnecessary,
  • doubtful.
  •
  • pirate.
  •
  • Against.
  •
  • hot.
  •Other relevant words:
  • embarrassing,
  • forbidden,
  • unchaste,
  • inferior,
  • ignominious,
  • gaffe,
  • asinine,
  • bold,
  • improperly,
  • too soon,
  • cheek,
  • rank,
  • uncultured,
  • specious,
  • inadequateness,
  • ribaldry,
  • crude,
  • Desertless,
  • ill-chosen,
  • Unbeseeming,
  • assist,
  • gall,
  • terroristic,
  • foolish,
  • back door,
  • descend,
  • idiotic,
  • harmful,
  • thersitical,
  • off-color,
  • malodorous,
  • made-up,
  • gauche,
  • outlawed,
  • lapse,
  • chintzy,
  • undesirable,
  • unpropitious,
  • unorthodox,
  • unpardonable,
  • care,
  • improperness,
  • error,
  • unacceptableness,
  • LEFTS,
  • destructive,
  • foul,
  • Disallowed,
  • pale,
  • astray,
  • lustful,
  • but,
  • disobey,
  • titillating,
  • flagrant,
  • dishonorable,
  • unaccommodating,
  • infamous,
  • ill-considered,
  • scurrilous,
  • supporting,
  • sex,
  • uncultivated,
  • slovenly,
  • impudence,
  • bratty,
  • racy,
  • wayward,
  • impropriety,
  • gaudy,
  • disreputable,
  • fresh,
  • indefensible,
  • Unphilosophical,
  • nonsensical,
  • vile,
  • notorious,
  • at fault,
  • impolitic,
  • mistakenly,
  • fallacy,
  • recreant,
  • unreserved,
  • prohibited,
  • scatologic,
  • incoherent,
  • vexatious,
  • venomous,
  • lascivious,
  • inappropriately,
  • secret,
  • loud,
  • dreadful,
  • disgusting,
  • outrageous,
  • disparate,
  • nauseous,
  • out of order,
  • place,
  • ungraceful,
  • bastard,
  • negligent,
  • conflicting,
  • dishonourable,
  • mean,
  • rabelaisian,
  • meet,
  • nauseating,
  • disregard,
  • order,
  • futile,
  • disqualified,
  • mistake,
  • wrongheaded,
  • unrestrained,
  • opprobrious,
  • deficiency,
  • ruttish,
  • unsuitable time,
  • lusty,
  • explicit,
  • unhappy,
  • unripe,
  • immoderate,
  • unkind,
  • east side,
  • Solecistical,
  • tawdry,
  • boo-boo,
  • kinky,
  • risque,
  • abusive,
  • forward,
  • brusque,
  • repugnant,
  • If,
  • scatological,
  • nefarious,
  • maladjusted,
  • intolerable,
  • unceremonious,
  • boorish,
  • indecorum,
  • inadmissibility,
  • impertinence,
  • lecherous,
  • ruffianly,
  • inequitable,
  • frivolous,
  • Misbehaving,
  • Intempestive,
  • weird,
  • inordinate,
  • blunt,
  • faultily,
  • revolting,
  • knavish,
  • invalid,
  • ill-conceived,
  • contretemps,
  • unadvised,
  • dissipated,
  • impolite,
  • awkwardly,
  • pretentious,
  • unprincipled,
  • unflattering,
  • faux pas,
  • maladroit,
  • vituperative,
  • fantastic,
  • unsatisfactory,
  • malevolent,
  • useless,
  • out of joint,
  • intrusive,
  • taboo,
  • unadapted,
  • ridiculous,
  • carnal,
  • badly,
  • Interdicted,
  • unembarrassed,
  • sleeveless,
  • left-hand,
  • extortionate,
  • rowdy,
  • be demoted,
  • awful,
  • insufficiency,
  • intemperate,
  • sneaky,
  • reverse,
  • charge,
  • loathsome,
  • stupid,
  • would-be,
  • dissonant,
  • unforgivable,
  • sassy,
  • loose,
  • mismated,
  • opposite,
  • blooper,
  • fabricated,
  • monstrous,
  • cruel,
  • Scampish,
  • blasphemous,
  • tactless,
  • vulgarism,
  • unfaithful,
  • without reason,
  • uncouth,
  • Inconcinnous,
  • inconsiderate,
  • blunder,
  • inappropriateness,
  • brutal,
  • annoying,
  • indiscreet,
  • unskillful,
  • unwell,
  • Unhandsome,
  • uncongenial,
  • flagitious,
  • vexing,
  • gratuitous,
  • control,
  • unrighteous,
  • disruptive,
  • ungentlemanly,
  • unasked,
  • inauspicious,
  • provocative,
  • unmentionable,
  • unprovoked,
  • injurious,
  • Misbecoming,
  • unscholarly,
  • inopportunely,
  • lax,
  • untactful,
  • furtive,
  • irrelevant,
  • untempered,
  • unspeakable,
  • ADJ,
  • unlucky,
  • unladylike,
  • spicy,
  • defective,
  • askew,
  • left-handed,
  • uncomplimentary,
  • Rowdyish,
  • east,
  • uncontrolled,
  • wry,
  • insulting,
  • pointless,
  • terrible,
  • barbarous,
  • unsavoury,
  • hurtful,
  • irreducible,
  • unhealthy,
  • offensive,
  • inadequate,
  • boner,
  • appalling,
  • diabolic,
  • Ungenteel,
  • haywire,
  • beyond the pale,
  • ribald,
  • defect,
  • injudicious,
  • filthy,
  • licentious,
  • garish,
  • vicious,
  • salacious,
  • anathema,
  • unpolished,
  • sexy,
  • Irrelative,
  • audacious,
  • unable,
  • Goatish,
  • worthless,
  • Misled,
  • fulsome,
  • wrongly,
  • evil hour,
  • wanton,
  • incorrectly,
  • strike,
  • careless,
  • objectionableness,
  • blamable,
  • inconvenience,
  • left,
  • heinous,
  • Vernacularism,
  • wild,
  • censurable,
  • informal,
  • unwise,
  • profane,
  • peccant,
  • infrequent,
  • exploitatory,
  • sacrilegious,
  • unqualified,
  • blue,
  • bum,
  • rare,
  • unconscionable,
  • out-of-line,
  • clumsy,
  • verboten,
  • brazen,
  • unadvisable,
  • unseemliness,
  • unallowed,
  • unsympathetic,
  • in poor taste,
  • irritating,
  • swaybacked,
  • solecism,
  • disorderly,
  • unrefined,
  • intrusion,
  • unemployable,
  • repellent,
  • contemptible,
  • unjustly,
  • trivial,
  • earthy,
  • break,
  • premature,
  • inadequacy,
  • irrational,
  • meretricious,
  • unready,
  • anachronism,
  • erotic,
  • inelegant,
  • brash,
  • despicable,
  • revealing,
  • silly,
  • unsophisticated,
  • philistine,
  • erroneously,
  • slipshod,
  • oversight,
  • incorrectness,
  • ill-sorted,
  • if only,
  • Misallied,
  • imperfectly,
  • Uncommendable,
  • misclassified,
  • fault,
  • undiplomatic,
  • incommensurable,
  • bawdy,
  • inconveniently,
  • execrable,
  • dissolute,
  • Uncourtly,
  • confused,
  • broad,
  • disagreeing,
  • excessive,
  • not done,
  • unreasonableness,
  • Fiendish,
  • unfitted,
  • X-rated,
  • too late,
  • shameless,
  • abominable,
  • distasteful,
  • undeserved,
  • libertine,
  • pornographic,
  • far,
  • unaesthetic,
  • late,
  • leftwing,
  • Untasteful,
  • shameful,
  • Misapplied,
  • Fescennine,
  • imperfection,
  • dark,
  • inexcusable,
  • spurious,
  • disagreeable,
  • illtimed,
  • unfavourable,
  • unhelpful,
  • paradoxical,
  • ill-judged,
  • inelegance,
  • exceptionable,
  • undignified,
  • flashy,
  • widely,
  • disharmonious,
  • swayback,
  • corruption,
  • lefter,
  • dysphemistic,
  • harsh,
  • awry,
  • bogus,
  • unjust,
  • wrong-headed,
  • ill,
  • disgraceful,
  • cacophonous,
  • infernal,
  • discreditable,
  • decline,
  • unprintable,
  • unbecomingness,
  • unnatural,
  • profligate,
  • exploitive,
  • contrary,
  • audacity,
  • unmerited,
  • inaccurately,
  • libidinous,
  • cyprian,
  • unequal,
  • unwarrantable,
  • repulsive,
  • Intempestivity,
  • unprofitable,
  • raw,
  • exorbitant,
  • contradictory,
  • atrocious,
  • common,
  • out of time,
  • barbaric,
  • indecorousness,
  • Seemless,
  • idle,
  • Unequitable,
  • unpleasant,
  • Paphian,
  • inexpedience,
  • non-standard,
  • Unmeetness,
  • unseasonableness,
  • omission,
  • absurd,
  • cheap,
  • doggerel,
  • prurient,
  • falsely,
  • arrant.

Paraphrases for Improper:

• Equivalence

  • Adjective
    inappropriate, illegitimate, reprehensible, unseemly, inaccurate, wrongful, unreasonable, unsound, indecent, unwarranted, inopportune, unjustified, inconvenient, unfit, erratic, flawed, misguided, inadequate, incongruous, inexpedient, ill-suited, bad.
  • Proper noun, singular
    inappropriate, inadequate, undue, bad.
  • Noun, singular or mass
    inappropriate, inadequate, bad.

• Independent

  • Adjective
    proper, impermissible, objectionable, unacceptable, careless, defective, false, perverse, disproportionate, obscene, appropriate, mistaken, vexatious, spurious, unjustifiable, inconsistent, unauthorised, dishonest, faulty, irrelevant, ill-timed, inadmissible, unscrupulous, exploitative, oppressive, disgraceful, ill, inequitable, unworthy, unfortunate, unjust, untrue, unconscionable, malformed, untimely, misleading, predatory, frivolous, correct, dishonourable, unsafe, uneven, fraudulent, misused, unnecessary, wicked, outrageous, malicious, inadvisable, Misconceived, offensive, non-compliant, substandard, anomalous.
  • Noun, singular or mass
    misuse, Maladministration, inadequacy.

• Other Related

  • Adjective
    undesirable, unauthorized, undue.

Antonyms for Improper:

• adj.

  • all
    proper.
  • not suitable
    decent, right, appropriate, ok, valid, accurate, good, acceptable, wise, Uncorrupt, honest, moral, fitting, suitable, reasonable, formal, correct, true.
  • vulgar, immoral
    fair, ethical, just.
  • Other antonyms:
    blameless, relevant, authorized, companionate, licensed, apropos, congenial, permitted, fortunate, endorsed, apposite, creditable, supported, approved, relative, pointed, sanctioned, pat, exemplary, regular, irreproachable, balanced, material, germane, kosher, commendable, encouraged.

• Other antonyms:

  • n.
    compensate, redress, rightfulness.