Meaning of self-sufficient

self-suf•fi•cient

Pronunciation: (self'su-fish'unt, self"-), [key]
— adj.
  1. able to supply one's own or its own needs without external assistance: The nation grows enough grain to be self-sufficient.
  2. having extreme confidence in one's own resources, powers, etc.: He was self-sufficient, and always reminded you of it.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.