self-sufficient
Definitions
Able to maintain oneself or itself without outside aid; capable of providing for one's own needs.
Needing no outside help in satisfying one's basic requirements.
Examples
The remote village became entirely self-sufficient by growing its own crops and generating its own electricity.
After moving out, she learned how to be self-sufficient by managing her own finances and cooking her own meals.
Synonyms
independent self-reliant autonomous self-supporting self-contained