untimely

Adjective

• uncommonly early or before the expected time
  • illness led to his premature death
    
  • alcohol brought him to an untimely end
    

• badly timed
  • an ill-timed intervention
    
  • you think my intrusion unseasonable
    
  • an untimely remark
    
  • it was the wrong moment for a joke
    

Adverb

• too soon; in a premature manner
  • I spoke prematurely
    

Related words

• Synonyms: 
  premature , ill-timed , unseasonable , wrong , prematurely