Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
infiltrator | Yes | No | No | No |
undercover agent | Yes | No | No | No |
infiltrator (noun) | undercover agent (noun) |
---|---|
an intruder (as troops) with hostile intent | (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors |
someone who takes up a position surreptitiously for the purpose of espionage |