Part of speech:
Not authorized by law; illegal.
Not appropriate, attractive, or flattering:
Performed, carried out, or done without the benefit of wise counsel or careful prior deliberation.
Lacking propriety or decorum.
So absurd, ridiculous, or exaggerated as to cause or merit laughter
The definition of preposterous is something that is absurd or ridiculous.
The definition of imprudent is a person who lacks judgment.
The definition of abnormal is a description that means unusual, odd or out of the ordinary.
Contrary to rule, accepted order, or general practice:
Not expedient; inadvisable:
Coming, said, etc. at the wrong time; untimely; inopportune
Not recommended; unwise:
Coming, said, done, etc. at the wrong time; poorly timed; inopportune
At an awkward or improper time or place; inopportune; inappropriate
The definition of inappropriate is someone or something that is not within the bounds of what is considered appropriate or socially acceptable.
Not fitting or suitable
(Old Poet.) Not meet, fit, or proper; unsuitable; unseemly
Coming or done at the wrong time; inopportune
Difficult to effect; uncomfortable:
Not in harmony; discordant.
Discordant is defined as disagreeing with what is accepted.
Lacking agreement; differing; at variance; inconsistent
Not usual or ordinary; singular; peculiar; strange
Of speech, that it is crude and offensive, typically in a sexual manner.
That suggests or tends to suggest thoughts or ideas
Soiled with smut
Showing, or intended to excite, lust or sexual desire, esp. in an offensive way; lascivious
The definition of crude is something rudimentary, undefined or undeveloped, or behavior that is impolite and improper.
Missing an intended target or recipient:
(Chiefly US, sometimes offensive) Being an illegal immigrant; residing in a country illegally.
Born of parents not married to each other
Not allowed by law, custom, rule, etc.; unlawful; improper; prohibited; unauthorized
Not shy or humble; bold; forward
Not pertinent or suitable
Not polite; discourteous.
Mistaken or incorrect; not accurate.
Slightly at odds with established standards of propriety; somewhat improper, offensive, or coarse:
Not submissive to authority:
Designating or of a faction in revolt against the leadership of a political party
Unrelated to the matter being considered.
Opposing any kind of control; defiant
Dealing with scandalous or salacious material:
(Obs.) Dishonest or unfaithful
Having or showing a lack of wisdom or sound judgment; foolish; imprudent
Indecent or obscene
Contrary to conscience, morality, or law:
Savage violence or cruelty:
An improper or unacceptable use of a word or phrase (Ex.: “borrow” for “lend”)
The action or an instance of rebellion; an insurrection.
The act or an instance of open revolt against civil authority or a constituted government.
Of or concerned with the judgment of right or wrong of human action and character:
Characterized by appropriateness or suitability; fitting:
That suits a given purpose, occasion, condition, propriety, etc.; fitting; appropriate; apt
Conforming with or conformable to justice, law, or morality:
Conforming to standards; proper:
The definition of fitting is something appropriate or expected.
Worth accepting; satisfactory or, sometimes, merely adequate
Fairly good; acceptable; satisfactory:
Not apt; not suitable; inappropriate
Showing a lack of judgment, sense, or reason; inappropriate or foolish:
Not suited to circumstances
Regularly or customarily used:
The definition of unconventional is someone or something that deviates from the norm or accepted standard.
- Indecent is used of that which is regarded as highly offensive to morals or modesty indecent exposure
- Indelicate implies a lack of propriety or tact and connotes immodesty or coarseness an indelicate anecdote
- Indecorous refers to that which violates propriety or good taste in behavior, speech, etc. his indecorous interruption of their chat
- Unbecoming applies to that which is inappropriate to a certain kind of person, his character, etc. his rigid views are most unbecoming in a teacher
- Unseemly applies to that which is improper or inappropriate to the particular situation her unseemly laughter at the funeral
- Improper , the word of broadest application in this list, refers to anything that is not proper or suitable, esp. to that which does not conform to conventional standards
Find another word for improper. In this page you can discover 105 synonyms, antonyms, idiomatic expressions, and related words for improper, like: unadapted, unfit, unlawful, ill-suited, unseemly, unbecoming, at-odds, ill-advised, indecorous, incongruous and out-of-place.