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improper

im·prop·er

improper

 
pronunciation:
Im pra pr
features:
Word Explorer, Word Parts
part of speech: adjective
definition 1: not suitable, applicable, or correct.
The machine was damaged by improper use.
synonyms:
inapplicable, inappropriate, inapt, inexpedient, unsuitable, wrong
antonyms:
adequate, correct, proper
similar words:
amiss, erroneous, inaccurate, inapposite, inconvenient, incorrect, off base, out of place, unfit
definition 2: not in keeping with acceptable social behavior; unseemly or indecent.
improper remarks about my wife
synonyms:
inappropriate, indecent, indecorous, indelicate, malapropos, unbecoming, unseemly, unsuitable, untoward
antonyms:
appropriate, decent, meet, proper
similar words:
corrupt, immoral, impolite, inapt, incorrect, indiscreet, injudicious, lewd, naughty, obscene, off-color, offensive, out-of-bounds, shameful, shameless, smutty, suggestive, tactless, unfit
derivations: improperly (adv.), improperness (n.)
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Word Parts
The word improper contains the following part:
im-2 Latin prefix that means not, without
Show wordsHide wordsMore about this word part:
The prefix im-2 occurs in Latin loanwords. It is an assimilated form of in-2 used before roots beginning with the letter "m," "p," and "b." See in-2.