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improper

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improper/ɪmˈprɑːpɚ/adjective
improper
/ɪmˈprɑːpɚ/
adjective
Learner's definition of IMPROPER  
[more improper; most improper]
: not proper, right, or suitable: such as
: not correct
   b  : not following rules of acceptable behavior : legally or morally wrong
   c  : not suitable for the situation : not appropriate
   d  : not polite

— improperly

adverb
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