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Synonyms

exfiltrate

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

verb (used without object)

exfiltrated, exfiltrating
  1. to escape furtively from an area under enemy control.


verb (used with object)

exfiltrated, exfiltrating
  1. to smuggle (military personnel) out of an area under enemy control.

Other Word Forms

  • exfiltration noun

Etymology

Origin of exfiltrate

First recorded in 1965–70; ex- 1 + (in)filtrate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shoring up defenses can certainly raise costs on Chinese hackers and make it more difficult to exfiltrate information on government agencies, businesses, civil society groups, and journalists.

From Barron's • Nov. 13, 2025

But, he added, that finding could point to a broader campaign to "exfiltrate and farm data over the long term", in order to conduct sabotage operations in the future.

From BBC • May 25, 2023

As events inevitably spiral and Tamar repeatedly dodges or disobeys orders to exfiltrate herself and Milad, credibility and plot contrivance do a wild dance.

From New York Times • May 10, 2022

The hackers then worked to exfiltrate information from the officials’ usage of websites including Google, Microsoft, LinkedIn, Facebook and Yahoo, the analysts said.

From Washington Times • Jul. 15, 2021

Now, to exfiltrate the campus in perfect anonymity and make our escape.

From Little Brother by Doctorow, Cory