Need another word that means the same as “improper”? Find 37 synonyms and 30 related words for “improper” in this overview.
The synonyms of “Improper” are: unconventional, unlawful, wrong, inappropriate, unacceptable, unsuitable, unprofessional, irregular, illegitimate, indecent, risqué, off colour, indelicate, suggestive, naughty, ribald, earthy, rabelaisian, smutty, dirty, filthy, vulgar, crude, rude, obscene, lewd, pornographic, unseemly, indecorous, unbecoming, unfitting, out of keeping, unladylike, ungentlemanly, indiscreet, impolite, undignified
According to the Oxford Dictionary of English, “improper” as an adjective can have the following definitions:
| crude | Belonging to an early stage of technical development characterized by simplicity and often crudeness. The crude facts. |
| earthy | Conspicuously and tastelessly indecent. Earthy smells of new mown grass. |
| filthy | Contemptible (used for emphasis. Had a filthy mouth. |
| illegitimate | Not authorized by the law; not in accordance with accepted standards or rules. Defending workers against illegitimate managerial practices. |
| impolite | Not having or showing good manners; rude. It would have been impolite to refuse. |
| inappropriate | Not suitable for a particular occasion etc. Noise seems inappropriate at a time of sadness. |
| indecent | Not appropriate or fitting. Was buried with indecent haste. |
| indecorous | Not in keeping with accepted standards of what is right or proper in polite society. A pub crawl with sundry indecorous adventures. |
| indelicate | Verging on the indecent. An earthy often indelicate sense of humour. |
| indiscreet | Lacking discretion; injudicious. Her behavior was indiscreet at the very best. |
| irregular | Deviating from normal expectations; somewhat odd, strange, or abnormal. Highly irregular behavior. |
| lewd | Crude and offensive in a sexual way. Lewd pictures. |
| naughty | Mildly rude or indecent, typically because related to sex. A naughty boy. |
| obscene | Suggestive of or tending to moral looseness. The obscene massacre at Wounded Knee. |
| off colour | In an unpalatable state. |
| out of keeping | Outside or external. |
| pornographic | Designed to arouse lust. Pornographic films and magazines. |
| rabelaisian | Of or relating to or characteristic of Francois Rabelais or his works. |
| ribald | Referring to sexual matters in an amusingly coarse or irreverent way. He was delighted at the ribald laughter that greeted his witticism. |
| risqué | Suggestive of sexual impropriety. |
| rude | Belonging to an early stage of technical development characterized by simplicity and often crudeness. The war came as a very rude awakening. |
| suggestive | Indicative or evocative. Artifacts suggestive of an ancient society. |
| unacceptable | Not acceptable; not welcome. The following use of access was judged unacceptable by a panel of linguists You can access your cash at any of 300 automatic tellers. |
| unbecoming | Not in keeping with accepted standards of what is right or proper in polite society. An unbecoming striped sundress. |
| unconventional | Not conventional or conformist. An unconventional marriage. |
| undignified | Lacking dignity. An undignified exit. |
| unfitting | Not fitting or suitable; unbecoming. Certain occupations were held unfitting for baptized believers. |
| ungentlemanly | Not appropriate to or behaving like a gentleman. An ungentlemanly lack of sportsmanship. |
| unladylike | Not appropriate for or typical of a well-bred, decorous woman. He thought it was unladylike for his daughter to work on a farm. |
| unlawful | Not conforming to, permitted by, or recognized by law or rules. Unlawful love. |
| unprofessional | Not characteristic of or befitting a profession or one engaged in a profession. A report on unprofessional conduct. |
| unseemly | Not in keeping with accepted standards of what is right or proper in polite society. An unseemly squabble. |
| unsuitable | Not worthy of being chosen (especially as a spouse. The movie is unsuitable for children. |
| wrong | In a bad or abnormal condition; amiss. Something was wrong with the pump. |
| culpability | Responsibility for a fault or wrong; blame. A level of moral culpability. |
| decadent | A person who has fallen into a decadent state morally or artistically. A decadent soak in a scented bath. |
| depraved | Morally corrupt; wicked. He was a depraved lecher. |
| fallacy | A failure in reasoning which renders an argument invalid. The potential for fallacy which lies behind the notion of self esteem. |
| immoral | Deliberately violating accepted principles of right and wrong. Unseemly and immoral behaviour. |
| improperly | In a way that lacks modesty or decency. Evidence is inadmissible if it is improperly obtained. |
| impropriety | An improper demeanor. She was scandalized at the impropriety of the question. |
| inaccurate | Not exact. The thermometer is inaccurate. |
| inappropriate | Not in keeping with what is correct or proper. It would be inappropriate for me to comment. |
| inapt | Not elegant or graceful in expression. A more inapt name I cannot imagine. |
| incongruity | The quality of disagreeing; being unsuitable and inappropriate. The incongruity of his fleshy face and skinny body disturbed her. |
| incorrect | Not correct; not in conformity with fact or truth. Strictly speaking the form of address was incorrect. |
| indecorous | Not in keeping with good taste and propriety; improper. A pub crawl with sundry indecorous adventures. |
| indelicate | Lacking propriety and good taste in manners and conduct. An earthy often indelicate sense of humour. |
| iniquitous | Grossly unfair and morally wrong. Iniquitous deeds. |
| licentious | Disregarding accepted conventions, especially in grammar or literary style. The ruler s tyrannical and licentious behaviour. |
| misconduct | Mismanagement, especially culpable neglect of duties. The general was pardoned for misconduct of the war. |
| misdirect | Use or apply (something) wrongly or inappropriately. Their efforts have been largely misdirected. |
| misinterpret | Interpret in the wrong way. Soanes claimed his remarks had been misinterpreted. |
| misplaced | Put in the wrong place or position. She was penalized for a spelling mistake or a misplaced accent. |
| unbecoming | (especially of clothing or a colour) not flattering. It was unbecoming for a university to do anything so crass as advertising its wares. |
| uncouth | (of art or language) lacking sophistication or delicacy. He is unwashed uncouth and drunk most of the time. |
| unethical | Not conforming to approved standards of social or professional behavior. Unethical business practices. |
| unfit | Make unfit or unsuitable. Fat and very unfit. |
| unjust | Not equitable or fair. An unjust judge. |
| unsuitability | The quality of having the wrong properties for a specific purpose. |
| unsuitable | Not capable of being applied. A solvent unsuitable for use on wood surfaces. |
| unsuited | Not easy to combine harmoniously. He was totally unsuited for the job. |
| wrong | Treat unjustly do wrong to. Something was wrong with the pump. |
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