give sth up formally;quit
"The King abdicated when he married a divorcee"
"She vacated the position when she got pregnant"
"The chairman resigned when he was found to have misappropriated funds"
"I am foreswearing women forever"
"She renounced her husband"
"The parents repudiated their son"
Magellan renounced his Portuguese citizenship.
出自： C. Francis
A..man of letters who had inherited and renounced a baronetcy.
出自： A. S. Byatt