abandon

:to give up with the intent of never again asserting or claiming an interest in (a right or property)

:to disassociate oneself from or forsake in spite of a duty or responsibility to ⁓ one's child

:to renounce one's obligations and rights under ⁓ a contract

:to fail purposely to bring to completion or fruition ⁓ a crime⁓ a lawsuit