Oxford Advanced American Dictionary

Definition of selfish adjective from the Oxford Advanced Learner's Dictionary

selfish

adjective
selfish pronunciation English ˈselfɪʃ selfish pronunciation American ˈselfɪʃ
 
caring only about yourself rather than about other people
selfish behaviourDo you think I'm being selfish by not letting her go?What a selfish thing to do!It was selfish of him to leave all the work to you.
Opposite
unselfish, selflessselfishly
selfishly pronunciation English ˈselfɪʃli selfishly pronunciation American ˈselfɪʃli
adverbShe looked forward, a little selfishly, to a weekend away from her family. selfishness
selfishness pronunciation English ˈselfɪʃnəs selfishness pronunciation American ˈselfɪʃnəs
noun [uncountable]He was the victim of his own greed and selfishness.