indefensible
AdjectiveWordNet 3.0
Adjective (3)
- (of theories etc) incapable of being defended or justifiedSynonyms: untenable
- not able to be protected against attack
- incapable of being justified or explainedSynonyms: insupportableunjustifiableunwarrantableunwarranted
Webster's Dictionary (GCIDE)
Indefensible \In`de*fen"si*ble\, [Pref. in- not + defensible: cf. OF. indefensible, indefensable.] Not defensible; not capable of being defended, maintained, vindicated, or justified; unjustifiable; untenable; as, an indefensible fortress, position, cause, statement, etc. [1913 Webster]
Men find that something can be said in favor of what, on the very proposal, they thought utterly indefensible. --Burke. [1913 Webster]