untimely untimely /ənˈtaɪmli/

adjective

1. Uncommonly early or before the expected time  ( premature , untimely )
   uncommonly early or before the expected time
    Illness led to his premature death
   illness led to his premature death
    Alcohol brought him to an untimely end
   alcohol brought him to an untimely end
   
2. Badly timed  ( ill-timed , unseasonable , untimely , wrong )
   badly timed
    An ill-timed intervention
   an ill-timed intervention
    You think my intrusion unseasonable
   you think my intrusion unseasonable
    An untimely remark
   an untimely remark
    It was the wrong moment for a joke
   it was the wrong moment for a joke
   

adverb

1. Too soon; in a premature manner  ( prematurely , untimely )
   too soon; in a premature manner
    I spoke prematurely
   I spoke prematurely