unsustainable Antonyms

salah supportable suitable renewable remissible reasonable presentable plausible pertinent maintainable sustainable tenable long-term assertable unending unceasing worthwhile workable warrantable vindicable viable livable justifiable credible continuous continual believable bearable arguable appropriate apposite applicable defendable defensible jural impregnable imperishable greening fiduciary feasible exemptible excusable evincible acceptable