sustainable

1 capable of being defended with good reasoning against verbal attack a line of argument that is probably not sustainable in a public forum against skilled debaters Synonyms of sustainable defendable, defensible, justifiable, maintainable, supportable, tenableWords Related to sustainable rational, reasonable, sensible, well-grounded; acceptable, admissible, allowable, exceptionable, legitimate, passable, unobjectionable, viable, warrantable; confirmable, provable, verifiable; explainable, explicableNear Antonyms of sustainable absurd, illogical, irrational, ridiculous, unsound; extreme, outrageous, unreasonable; groundless, objectionable, unacceptable, unfounded; inexplicable, unexplainableAntonyms of sustainable indefensible, insupportable, unjustifiable, unsustainable, untenable

2 capable of being proven as true or real has no sustainable claim to the property without a deed or some other document Synonyms of sustainable checkable, confirmable, demonstrable, empirical (also empiric), provable, supportable, verifiableWords Related to sustainable certifiable, documentable, well-founded; defensible, excusable, justifiable, vindicable, warrantable; alleged, assumed, conjectured, guessed, presumed, surmised, suspectedNear Antonyms of sustainable debatable, disprovable, disputable, refutableAntonyms of sustainable indemonstrable, insupportable, unprovable, unsupportable, unsustainable, unverifiable

3 capable of being endured the general didn't think that such heavy casualties could be sustainable for much longer Synonyms of sustainable endurable, sufferable, supportable, bearable, tolerableWords Related to sustainable livable (also liveable), survivable; acceptable, adequate, admissible, allowable, permissible, reasonable, satisfactoryNear Antonyms of sustainable agonizing, appalling, awful, bad, cruel, dire, dreadful, excruciating, frightful, ghastly, grisly, gruesome (also grewsome), harrowing, harsh, hideous, horrendous, horrible, horrid, horrifying, lurid, macabre, monstrous, nasty, nightmarish, painful, rotten, shocking, terrible, tormenting, torturous, unfortunate, vicious, vile, wretched; unacceptable; acute, extreme, intense, piercing; abhorrent, deplorable, disgusting, distasteful, loathsome, nauseating, obnoxious, offensive, repugnant, repulsive, revolting, sickening; abominable, evil, foul, heinous, noxious, odious, unspeakableAntonyms of sustainable insufferable, insupportable, intolerable, unbearable, unendurable, unsupportable