exfiltrate

[ eks-fil-treyt, eks-fil-treyt ]
/ ɛksˈfɪl treɪt, ˈɛks fɪlˌtreɪt /

verb (used without object), ex·fil·trat·ed, ex·fil·trat·ing.

to escape furtively from an area under enemy control.

verb (used with object), ex·fil·trat·ed, ex·fil·trat·ing.

to smuggle (military personnel) out of an area under enemy control.

Origin of exfiltrate

First recorded in 1965–70; ex-1 + (in)filtrate
Related formsex·fil·tra·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019