adjective
- able to supply one’s own or its own needs without external assistance: The nation grows enough grain to be self-sufficient.
- having extreme confidence in one’s own resources, powers, etc.: He was self-sufficient, and always reminded you of it.
adjective
- able to provide for or support oneself without the help of others
adj.“able to supply one’s own needs,” 1580s, from self- + sufficient. Related: Self-sufficiently.