mindmap root((不当)) indecorous suggests a violation of accepted standard of good manners: your ~ manners marred the wedding reception. improper applies to a broader range of transgressions of rules of not only social behavior but of ethical practice, or logic procedure, or prescribed method: the ~ use of campaign contributions. unseemly adds a suggestion of special inappropriateness to a situation or an offensiveness to good taste: remarried again with ~ haste. indecent implies great unseemliness or gross offensiveness especially in referring to sexual matters: a scene judged ~ by the censors. unbecoming suggests behavior or language felt to be beneath or unsuited to one's character or status: conduct ~ an officer. indelicate implies a lack of modesty, or of tact, or of refined perception of feelings: ~ expressions for bodily functions.