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 jural credible continuous continual believable bearable arguable appropriate apposite applicable defendable defensible impregnable imperishable greening fiduciary feasible expiable exemptible excusable evincible acceptable