n. An exaggerated estimate of one's own importance or merit, esp. as manifested by the conduct or manners; self-conceit. [ 1913 Webster ]
a. Having or manifesting an exaggerated idea of one's own importance or merit. [ 1913 Webster ]
a. Voluntarily taken on one's self;
n. Imposture practiced on one's self; self-deceit. South. [ 1913 Webster ]