This is the 12122nd most frequent Portuguese word.
renegar
"Renegar" means "to deny, renounce, or reject."
The word 'renegar' here is used in the context of rejecting or denying beliefs or principles.
Ele renegou os valores que aprendeu na infância.
He repudiated the values he learned in childhood.
In this sentence, 'renegar' means to refuse to deny or go back on a promise or obligation.
Ela não quis renegar seu compromisso com a equipe.
She didn't want to renounce her commitment to the team.
Here, 'renegar' is used in the sense of withdrawing affirmation or acceptance of an earlier decision.