Self-sustaining and Uttermost

Self-sustaining adjective - Able to take care of oneself or itself without outside help.

Uttermost and self-sustaining are semantically related. In some cases you can use "Uttermost" instead an adjective phrase "Self-sustaining".

Uttermost adjective - Of the greatest or highest degree or quantity.

Self-sustaining and uttermost are semantically related. Sometimes you can use "Self-sustaining" instead an adjective "Uttermost".