1. 
[syn: conceited, egotistic, egotistical, self-conceited, swollen, swollen-headed, vain]
The Collaborative International Dictionary of English v.0.48:
Self-conceited \Self`-con*ceit"ed\, a.
   Having an overweening opinion of one's own powers,
   attainments; vain; conceited. -- Self`-con*ceit"ed*ness, n.
   [1913 Webster]
WordNet (r) 3.0 (2006):
self-conceited
    adj 1: characteristic of false pride; having an exaggerated
           sense of self-importance; "a conceited fool"; "an
           attitude of self-conceited arrogance"; "an egotistical
           disregard of others"; "so swollen by victory that he was
           unfit for normal duty"; "growing ever more swollen-headed
           and arbitrary"; "vain about her clothes" [syn:
           conceited, egotistic, egotistical, self-
           conceited, swollen, swollen-headed, vain]