indecent

Adjective (3)

1. 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”Synonyms: indecorousunbecominguncomelyunseemlyuntowardOpposite properSimilar improper
2. offensive to good taste especially in sexual matters“an earthy but not indecent story”“an indecent gesture”Opposite decentSimilar crude, obscene, indelicate, Hollywood, suggestiveSee also dirty, indecorous, immodest, improper
3. offending against sexual mores in conduct or appearance“a bathing suit considered indecent by local standards”Opposite modestSimilar immodest