The word 're-signs' means to sign again, typically for a job or agreement, but antonyms for this word include refusing, declining or rejecting a job or agreement. 'Resignation' is also an antonym which implies the act of leaving one's current job or position. Additionally, 'renounce' and 'revoke' are antonyms of 're-signs' as they describe the termination or withdrawal of an agreement or contract. Other antonyms include 'disengage', 'disown' and 'disclaim' which essentially signify a lack of commitment or disassociation from an agreement or job opportunity.