What does it mean to "renounce" foreign citizenship?

To "renounce" foreign citizenship means to formally give up citizenship of another country. This process typically involves a legal declaration or formal procedure in which an individual voluntarily relinquishes their rights and obligations as a citizen of that country. Renunciation often occurs when someone wishes to become a citizen of another country and needs to comply with that country's legal requirements, which may mandate the abandonment of previous citizenships.

The other options do not accurately capture the definition of "renounce." Holding citizenship temporarily does not imply a permanent decision to give it up. Applying for citizenship in multiple countries does not reflect giving up any citizenship but rather seeks to acquire new ones. Obtaining multiple passports pertains to different travel rights rather than a formal relinquishment or renunciation of citizenship.