fifth columnism
nounEtymology From fifth column + -ism.
1
The activities of the fifth column, secretly undermining another organization.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology From fifth column + -ism.
The activities of the fifth column, secretly undermining another organization.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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