selfish

Definitions:

Regarding one's own interest chiefly or solely; influenced in one's action by regard to private advantage.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adjective) (adj.) (adjective)
Having chiefly or solely a view to one's own interest; influenced in actions from motives of private advantage; without regard for others.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective) (adj.) (adjective)
Regarding one's own self wholly or excessively.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (adjective) (adj.) (adjective)
Selfishly.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adverb) (adv.) (adverb)
Chiefly or wholly regarding one's own self: void of regard to others.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adjective) (adj.) (adjective)
Selfishness.
- Newage Dictionary DB (noun) (n.) (noun)
Putting one's own wishes and advantage first; centered in self.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)

Usage examples:

It is right for me to ask, for I'm sure I don't want her to go; so it isn't selfish
- Little Prudy's Dotty Dimple by Sophie May
" Sure, Frank- 'cause maybe I'm selfish
- The Planet Strappers by Raymond Zinke Gallun
I may be selfish but- it's as much for his happiness as mine.
- The Golden Silence by C. N. Williamson and A. M. Williamson