/ Dictionary / Index E exfiltrate: Meaning and Definition of Find definitions for: ex•fil•trate Pronunciation: (eks-fil'trāt, eks'fil-trāt"), [key] — v., -trat•ed, -trat•ing. —v.i. to escape furtively from an area under enemy control. —v.t. to smuggle (military personnel) out of an area under enemy control. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ex facto* exfoliate Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language