Definitions for mccarthyismməˈkɑr θiˌɪz əm
Random House Webster's College Dictionary
Mc•Car•thy•ismməˈkɑr θiˌɪz əm(n.)
the use of unsubstantiated accusations or unfair investigative techniques in an attempt to expose disloyalty or subversion.
Origin of McCarthyism:
1950,Amer.; after J. R. McCarthy ; see -ism
unscrupulously accusing people of disloyalty (as by saying they were Communists)
The mass pressure, harassment, and/or blacklisting used to pressure people to follow popular political beliefs.
The intense opposition, countering, fear and/or suspicion of Communism, particularly in the United States during the 1950s.
Origin: Named for United States Senator Joseph McCarthy. Originates from a 1950 Washington Post political cartoon by Herbert Block.