(1):

(n.) Act of renouncing.

(2):

(v. i.) To make renunciation.

(3):

(v. i.) To decline formally, as an executor or a person entitled to letters of administration, to take out probate or letters.

(4):

(v. t.) To declare against; to reject or decline formally; to refuse to own or acknowledge as belonging to one; to disclaim; as, to renounce a title to land or to a throne.

(5):

(v. t.) To cast off or reject deliberately; to disown; to dismiss; to forswear.

(6):

(v. t.) To disclaim having a card of (the suit led) by playing a card of another suit.