Reference meaning
infiltrator
Last updated
someone who takes up a position surreptitiously for the purpose of espionage
Other meanings
2. noun
an intruder (as troops) with hostile intent
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 10205833-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.