improper meaning, improper definition | English Cobuild dictionary

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1       adj   Improper activities are illegal or dishonest.  
FORMAL   25 officers were investigated following allegations of improper conduct during the murder inquiry...     
  improperly      adv   ADV with v  
I acted neither fraudulently nor improperly.     
2       adj   Improper conditions or methods of treatment are not suitable or good enough for a particular purpose.  
FORMAL   ADJ n   (=inappropriate)  
The improper use of medicine could lead to severe adverse reactions.     
  improperly      adv   ADV with v  
The study confirmed many reports that doctors were improperly trained...     
3       adj   If you describe someone's behaviour as improper, you mean that it is rude or shocking.  
OLD-FASHIONED, disapproval  

He would never be improper, he is always the perfect gentleman.     
Translation English Cobuild Collins Dictionary  


1    impolite, indecent, indecorous, indelicate, off-colour, risqué, smutty, suggestive, unbecoming, unfitting, unseemly, untoward, vulgar  
2    ill-timed, inapplicable, inapposite, inappropriate, inapt, incongruous, infelicitous, inopportune, malapropos, out of place, uncalled-for, unfit, unseasonable, unsuitable, unsuited, unwarranted  
3    abnormal, erroneous, false, inaccurate, incorrect, irregular, wrong  
1    becoming, decent, decorous, delicate, fitting, proper, seemly  
2    apposite, appropriate, apt, felicitous, opportune, seasoned, suitable  

English Collins Dictionary - English synonyms & Thesaurus  

Collaborative Dictionary     English Cobuild
to show in an improper or selfish way that you are happy with your own success or another person's failure
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