MIA - definition and synonyms

adjective 

Your browser doesn’t support HTML5 audio

/ˌem aɪ ˈeɪ/
  1. 1
    missing in action: in relation to a member of the armed forces, a way of saying that someone is missing and may be alive or dead

    His wife's brother was declared MIA in Vietnam.

    the government’s POW/MIA office

  2. 2
    humorous not able to be found or contacted

    The mother is MIA and the grandma came instead.

    Mich – sorry I have been so MIA lately.