Definition of cold war
1
:a conflict over ideological differences carried on by methods short of sustained overt military action and usually without breaking off diplomatic relations;
specifically,
often capitalized C&W
:the ideological conflict between the U.S. and the U.S.S.R. during the second half of the 20th century — compare hot war
2
:a condition of rivalry, mistrust, and often open hostility short of violence especially between power groups (such as labor and management)
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