1. (

• indecorous ,
• indelicate ,

) lacking propriety and good taste in manners and conduct; "indecorous behavior" ;

2. (

• indecent ,
• indecorous ,
• unbecoming ,
• uncomely ,
• unseemly ,
• untoward

) not in keeping with accepted standards of what is right or proper in polite society; "was buried with indecent haste"; "indecorous behavior"; "language unbecoming to a lady"; "unseemly to use profanity"; "moved to curb their untoward ribaldry" ;