- casting malicious slurs on an opponent, esp in politics
WordReference Random House Learner's Dictionary of American English © 2026
mud•sling•ing /ˈmʌdˌslɪŋɪŋ/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- efforts or actions to damage one's opponent by harmful, false, or scandalous attacks.
mud•sling•ing
(mud′sling′ing),USA pronunciation n.
mud′sling′er, n.
- an attempt to discredit one's competitor, opponent, etc., by malicious or scandalous attacks.
- mud + slinging 1880–85
Collins Concise English Dictionary © HarperCollins Publishers::
mudslinging /ˈmʌdˌslɪŋɪŋ/ n