'fifth columnist' definitions:
Definition of 'fifth columnist'
From: WordNet
noun
A member of a clandestine subversive organization who tries to help a potential invader [syn: fifth columnist, saboteur]
Definition of 'fifth columnist'
From: GCIDE
- columnist \col"um*nist\, n. a journalist who writes or edits a regularly scheduled column[8] in a periodical, usually in editorial style; a type of editorialist. [RP]
- fifth columnist see fifth columnist in the vocabulary.
Synonyms of 'fifth columnist'
From: Moby Thesaurus
- apostate,
- backslider,
- bolter,
- collaborationist,
- collaborator,
- convert,
- crypto,
- defector,
- deserter,
- fellow traveler,
- fifth column,
- fraternizer,
- mugwump,
- proselyte,
- quisling,
- recidivist,
- recreant,
- renegade,
- renegado,
- renegate,
- reversionist,
- runagate,
- saboteur,
- schismatic,
- seceder,
- secessionist,
- security risk,
- separatist,
- strikebreaker,
- subversive,
- tergiversant,
- tergiversator,
- traitor,
- Trojan horse,
- turnabout,
- turncoat,
- turntail,
- underground