Synonyms for Expiration:

n.

withdrawal. completion (noun)
finis, windup.
death (noun)
quietus, parting, dissolution, passing, release, decease, extinction, annihilation, fatality.
end (noun)
completion, demise, finish, culmination, cessation, conclusion, windup, end, accomplishment, exit, terminal, finale, close, termination, death, closing, ending, finis, halt, checkmate.
expiration (noun)
going, breathing out, expiry, exit, departure, passing, loss, exhalation, termination, release.
finish, demise (noun)
closing, close, expiry, death, passing, going, departure, decease, conclusion, cessation, dying, end, termination.
leaving (noun)
exit.
time (noun)
expiry, termination.

Other synonyms:

Other relevant words:
dying, exhalation, loss, departure, expiry, going, breathing out.

Usage examples for expiration

  1. This she continued to do until the expiration of the solitary confinement term of her husband. – The Lights and Shadows of Real Life by T.S. Arthur Edition: 10 Language: English
  2. He waited, with his watch in his hand, and by the dead body of his antagonist, for the return of the Frenchman; but on the expiration of the time, his own second conjured him to consult his safety and depart; for that, from henceforth, his life was in jeopardy. – A Bibliographical, Antiquarian and Picturesque Tour in France and Germany, Volume One by Thomas Frognall Dibdin