not in accordance with accepted rules or standards, especially of morality or honesty (尤指道德或诚信方面)不合标准的;不得当的,不得体的,不恰当的 he was accused of improper behaviour in his business dealings. 他被指责在交易中有不恰当行为。 it is improper to end a sentence with a preposition. 以介词结束句子是不得当的。 ■lacking in modesty or decency 不谦虚的;不庄重的,不体面的 it was thought improper for elderly women to wear bright colours. 人们认为老年妇女穿着艳丽有失庄重。
派生 improperly adverb 语源
late Middle English: from French impropre or Latin improprius, from in- 'not' + proprius 'one's own, proper'