Disavow means to reject or deny any responsibility for something. Synonyms for the word include repudiate, renounce, disclaim, deny, reject, disown, and negate. When disavowing something, a person is essentially distancing oneself from a certain belief, action or statement. Other words that may be used in a similar context include abjure, forsake, or eschew. These words may be used in different contexts such as religions or politics. Regardless of the specific context, the word "disavow" is a strong statement of repudiation or rejection towards something that one perceives as negative, harmful, or unworthy.