Another word for improper

improper Synonyms

improper

modif.

Unsuitable
unseemly, unbecoming, at odds, ill-advised, unsuited, indecorous, incongruous, out of place, ludicrous, incorrect, preposterous, unwarranted, undue, imprudent, unadapted, abnormal, irregular, inexpedient, unseasonable, inadvisable, untimely, inopportune, unfit, malapropos, unfitting, inappropriate, unapt, unbefitting, untoward, unmeet, ill-timed, awkward, inharmonious, discordant, discrepant, inapplicable, ill-assorted, odd; see also unsuitable.
Immoral
indecent, indelicate, immodest, lewd, naughty, suggestive, smutty; see also lewd 1.

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; unseemly applies to that which is improper or inappropriate to the particular situation her unseemly laughter at the funeral; 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; indecorous refers to that which violates propriety or good taste in behavior, speech, etc. his indecorous interruption of their chat; indelicate implies a lack of propriety or tact and connotes immodesty or coarseness an indelicate anecdote; indecent is used of that which is regarded as highly offensive to morals or modesty indecent exposure

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WEBSTER’S NEW WORLD® ROGET’S A-Z THESAURUS by Charlton Laird and the editors of Webster’s New World dictionaries. Copyright © 1999 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.