Definition of "disavow"

disavow

/dɪsəˈvaʊ/

verb
third-person singular simple present disavows, present participle disavowing, simple past and past participle disavowed
1. (transitive) To strongly and solemnly refuse to own or acknowledge; to deny responsibility for, approbation of, and the like.
2. (transitive) To deny; to show the contrary of; to deny legitimacy or achievement of any kind.