indecent

Adjective

• offending against sexual mores in conduct or appearance
  • a bathing suit considered indecent by local standards
    

• offensive to good taste especially in sexual matters
  • an earthy but not indecent story
    
  • an indecent gesture
    

• 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
    

Related words

• Synonyms: 
  indecorous , unbecoming , uncomely , unseemly , untoward