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fifth columnism. In DICTIOUS you will not only get to know all the dictionary meanings for the word
fifth columnism, but we will also tell you about its etymology, its characteristics and you will know how to say
fifth columnism in singular and plural. Everything you need to know about the word
fifth columnism you have here. The definition of the word
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English
Etymology
From fifth column + -ism.
Noun
fifth columnism (uncountable)
- The activities of the fifth column, secretly undermining another organization.