Definition of improper in English:

improper

Line breaks: im|proper
Pronunciation: /ɪmˈprɒpə
 
/

adjective

1Not in accordance with accepted standards, especially of morality or honesty: the improper use of public funds it was considered improper to leave one’s house on Christmas Day
More example sentences
  • The fall in stock market values is attributed mainly to concerns about improper accounting standards.
  • If there's a potential conflict of interest or improper influence, the public has a right to know.
  • Many acts may look improper and unethical, yet there may have been a good reason for them.
Synonyms
inappropriate, unacceptable, unsuitable, unprofessional, irregular, illegitimate, against the rules;
unethical, corrupt, immoral, dishonest, dishonourable, unscrupulous
informal crooked, not cricket
British informal fruity, saucy
1.1Lacking in modesty or decency: an improper suggestion
More example sentences
  • She had spoken without being asked a question, which was improper and impolite.
  • The doctor, a married father of three, accepts meeting Miss A outside work but denied any improper conduct took place.
  • Our children unfortunately are not generally made aware that behaving rudely is improper.
Synonyms
unseemly, indecorous, unbecoming, unfitting, out of keeping, unladylike, ungentlemanly, indiscreet, indelicate, impolite, undignified;
indecent, unwholesome, immodest, immoral;
outrageous, scandalous, shocking, offensive, distasteful;
forward, bold, brazen, shameless
informal fresh, cheeky

Origin

late Middle English: from French impropre or Latin improprius, from in- 'not' + proprius 'one's own, proper'.

Derivatives

improperly

adverb
More example sentences
  • There is no suggestion that either expert acted improperly.
  • At the end of the exercise, 40 persons were found to be improperly receiving welfare assistance.
  • Superclubs operate strict door policies, turning up their noses at gangs of unaccompanied men or the improperly dressed.

Definition of improper in: