Meaning of future perfect

fu'ture per'fect

Pronunciation: [key]
— Gram. Gram.
  1. perfect with respect to a temporal point of reference in time to come; completed with respect to a time in the future, esp. when incomplete with respect to the present.
  2. noting or pertaining to a tense or other verb formation or construction with such reference.
  3. the future perfect tense.
  4. another verb formation or construction with future perfect meaning.
  5. a form in the future perfect, as He will have come.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.