forswear

Some priests have to forswear marriage.

it is currently fashionable to forswear meat-eating in the interests of animal rights.

You must tell the truth to the judge, because if you forswear yourself you could go to prison.

28 For they either go mad with enjoyment, or prophesy lies, or live lawlessly or lightly forswear themselves.

to forswear a bad habit

she had to forswear her allegiance to the group

he was forced to forswear his claim to the throne

to forswear all worldly possessions

the witness decided to forswear his testimony

she had to forswear her dreams of becoming an actress

to forswear a political party

the prisoner forswore any involvement in the crime