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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 correct.
The machine was ruined by improper use.
synonyms:
inappropriate, unsuitable, wrong
antonyms:
adequate, correct, proper
similar words:
amiss, inaccurate, inconvenient, incorrect, off base
definition 2: showing bad manners; not acceptable.
He made improper remarks about the boy who stutters.
synonyms:
inappropriate, indecent, unbecoming, unsuitable
antonyms:
appropriate, decent, proper
similar words:
corrupt, immoral, impolite, incorrect, obscene, offensive
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
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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.