fifth column

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  • noun

Synonyms for fifth column

a subversive group that supports the enemy and engages in espionage or sabotage

References in periodicals archive ?
unconscious 5th column" identify the EU with "the destruction of family values, the erosion of national traditions and the promotion of
Are the Americans with its 5th column in SL trying to turn the clock back?
Britain raised concerns about a "5th column" of IRA German sympathisers and Walshe replied the Government anticipated no difficulty in dealing with the IRA.
'Workers' is Times-speak for infiltrators and trespassers--an army of occupation, a 5th column deployed to facilitate La Reconquista.