(1):

(v. t.) The state of being despised; shame.

(2):

(v. t.) A feeling of contempt and aversion; the regarding anything as unworthy of or beneath one; scorn.

(3):

(v. t.) That which is worthy to be disdained or regarded with contempt and aversion.

(4):

(v. i.) To be filled with scorn; to feel contemptuous anger; to be haughty.

(5):

(v. t.) To reject as unworthy of one's self, or as not deserving one's notice; to look with scorn upon; to scorn, as base acts, character, etc.

(6):

(v. t.) To think unworthy; to deem unsuitable or unbecoming; as, to disdain to do a mean act.