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Word of the Day Tuesday, June 9, 2026

infiltrator

/ɪnˈfɪltɪreɪtər/ noun · British & US
Valid in UKValid in US
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What does infiltrator mean?

noun

A person who infiltrates an organization or group, often secretly or surreptitiously. A person who gains access to a place or system by stealth or deception.

Example

"The infiltrator was able to gather valuable information without being detected."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for infiltrator

Antonyms of infiltrator

Rhymes with infiltrator

Etymologically related