The Collaborative International Dictionary of English v.0.48:

Self-seeking \Self"-seek`ing\, a.
   Seeking one's own interest or happiness; selfish.
   --Arbuthnot.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Self-seeking \Self"-seek`ing\, n.
   The act or habit of seeking one's own interest or happiness;
   selfishness.
   [1913 Webster]

WordNet (r) 3.0 (2006):

self-seeking
    adj 1: interested only in yourself [syn: self-serving, self-
           seeking]
    n 1: taking advantage of opportunities without regard for the
         consequences for others [syn: opportunism, self-
         interest, self-seeking, expedience]