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English word
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WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun mccarthyism has 1 sense
CIDE DICTIONARY
mccarthyism, prop. n. [from Senator Joseph McCarthy , who repeatedly asserted without evidence that numerous communists were present in the United States government.].
Unscrupulously accusing people of disloyalty (as by saying they were Communists). [WordNet 1.5]
OXFORD DICTIONARY
mccarthyism, n. (esp. in the US) the policy of hunting out suspected or known Communists and removing them esp. from government departments.
Etymology
J. R. McCarthy, US senator d. 1957