unsupportable

• POS: Adjective
• HYPHEN: un=sup=port=a=ble

CIDE DICTIONARY

unsupportable, a. 

 Insupportable; unendurable.  [1913 Webster]

OXFORD DICTIONARY

unsupportable, adj.
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 foundation