indecorous

indecorous, improper, unseemly, unbecoming, indelicate mean not conforming to what is accepted as right, fitting, or in good taste. indecorous suggests a violation of accepted standards of good manners <indecorous behavior>. improper applies to a broader range of transgressions of rules not only of social behavior but of ethical practice or logical procedure or prescribed method <improper use of campaign contributions>. unseemly adds a suggestion of special inappropriateness to a situation or an offensiveness to good taste <remarried with unseemly haste>. unbecoming suggests behavior or language that does not suit one's character or status <conduct unbecoming to an officer>. indelicate implies a lack of modesty or of tact or of refined perception of feeling <indelicate expressions for bodily functions>.