Synonyms of sustainable

1 Syllable
green
2 Syllables
viable
3 Syllables
bearable, continual, arguable, livable, worthwhile, reusable, feasible, unceasing, continuous, unending
4 Syllables
defendable, endurable, sufferable, assertable, maintainable, renewable, tolerable, supportable
5 Syllables
inhabitable, imperishable