Word Study
unsupportable
OXFORD DICTIONARY
unsupportable, adj.
1 that cannot be endured.
2 indefensible.
1 that cannot be endured.
2 indefensible.
Derivative
unsupportably adv.
THESAURUS
unsupportable
baseless, controvertible, empty, groundless, idle, ill-founded, insupportable, intolerable, unattestable, unbased, unbearable, unconfirmable, undemonstrable, undemonstratable, unendurable, unfounded, ungrounded, unprovable, unsubstantiatable, unsupported, unsustainable, unsustained, untenable, unverifiable, unwarranted, vain, without basis, without foundationFor further exploring for "unsupportable" in Webster Dictionary Online