IPA: //ˌdɪs.əˈvaʊ//
KK: /dɪsəˈvaʊ/
To deny any knowledge of or responsibility for something, or to refuse to accept a connection with someone or something.
The politician decided to disavow any involvement in the scandal.
Past: disavowed
Past Participle: disavowed
Disavow → It is formed from "dis-" (meaning apart or away) and "avow" (from Latin "avocare", meaning to call or summon). The word means to call something away or to deny a connection or responsibility.
Think of 'calling away' ('avow') from something, which helps you remember that 'disavow' means to deny or reject a connection.