Definify.com

Webster 1913 Edition

Adj.

Sufficient for one’s self without external aid or cooperation.

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.

Having an overweening confidence in one's own abilities or worth; hence, haughty; overbearing.

“A rash and self-sufficient manner.”

I. Watts.

Adj.

Having full confidence in one's own strength, abilities or endowments; whence, haughty; overbearing.