self-conceited

from 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}]

from 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]