improper

Universal Words adjective 1 dishonest, or morally wrong: improper business practices * improper conduct * There was nothing improper about our relationship (= it did not involve sex). OPPPROPER 2 (formal) not suited or appropriate to the situation: It would be improper to comment at this stage. OPPPROPER 3 wrong; not correct: improper use of the drug improperly adverb: to behave improperly * He was improperly dressed for the occasion. * improperly cooked meat