improper Meaning in the Cambridge English Dictionary
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Meaning of “improper” in the English Dictionary

"improper" in British English

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improperadjective

uk   /ɪmˈprɒp.ər/  us   /-ˈprɑː.pɚ/

improper adjective (DISHONEST)

formal dishonest and against a ​law or a ​rule: The ​governor has ​denied making improper use of ​statemoney.

improper adjective (WRONG)

formal unsuitable or not ​correct for a ​particular use or ​occasion: improper ​prescription of ​medicines Is it ​considered improper to ​wear such a ​shortskirt to a ​formaloccasion?

improper adjective (RUDE)

related to ​sex in a way that is ​rude or ​sociallyunacceptable: I ​trust you're not making improper suggestions to my ​husband!
improperly
adverb uk   us   /-li/ formal
(Definition of improper from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"improper" in American English

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improperadjective

 us   /ɪmˈprɑp·ər/

improper adjective (DISHONEST)

being against a ​law or a ​rule; ​dishonest or ​illegal: The ​treasurerdeniedaccepting any improper ​payments.

improper adjective (WRONG)

not ​suitable or ​correct for a ​particular use or ​situation: an improper ​choice of words
improperly
adverb  us   /ɪmˈprɑp·ər·li/
If ​handled improperly, some ​chemicals used for ​cleaning can ​causesevereskinirritation.
(Definition of improper from the Cambridge Academic Content Dictionary © Cambridge University Press)

"improper" in Business English

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improperadjective

uk   us   /ɪmˈprɒpər/ LAW
dishonest, and not ​allowed by a ​rule or by ​law: The cropland may have been ​polluted because of improper use of ​pesticides and ​fertilizers. improper ​accounting/​payments/​trading improper ​activity/​conduct/​practices
improperly
adverb
The ​chiefexecutive was ​cleared of acting improperly in ​selling the ​shares.
(Definition of improper from the Cambridge Business English Dictionary © Cambridge University Press)
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