|Origin:||renoncer, from Latin renuntiare, from nuntiare 'to report'|
if you renounce an official position, title, right etc, you publicly say that you will not keep it any more [= give up]:
Edward renounced his claim to the French throne.
She renounced her citizenship.
to publicly say or show that you no longer believe in something, or will no longer behave in a particular way [= reject]:
These groups must renounce violence if there is to be progress towards peace.
Young people renounced capitalism in favour of peace and love.