• (a.) Having an overweening confidence in one`s own abilities or worth; hence, haughty; overbearing. • (a.) Sufficient for one`s self without external aid or cooperation.
Self`-suf·fi'cient adjective 1. Sufficient for one's self without external aid or coöperation. « Neglect of friends can never be proved rational till we prove the person using it omnipotent and self-sufficient , and such as can never need any mortal assistance.» South.
[adj] - able to provide for your own needs without help from others
self-sufficing adjective able to provide for your own needs without help from others; `a self-sufficing economic unit`