untoward

Adjective

• contrary to your interests or welfare
  • adverse circumstances
    
  • made a place for themselves under the most untoward conditions
    

• 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: 
  adverse , inauspicious , indecent , indecorous , unbecoming , uncomely , unseemly