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tr.v. dis·a·vowed, dis·a·vow·ing, dis·a·vows
1. To disclaim knowledge of, responsibility for, or association with: "The American communists ... promoted Roosevelt's reelection in 1944—although Roosevelt formally disavowed their support" (Donald A. Ritchie).
2. To assert to be wrong or of little value: "After 1920 his style changed almost completely, and he disavowed his early works" (Mary V. Dearborn).
[Middle English disavowen, from Old French desavouer : des-, dis- + avouer, to avow; see avow.]
formal capable of being disavowed