INDEFENSIBLY
Etymology
Adverb
indefensibly (comparative more indefensibly, superlative most indefensibly)
In an indefensible manner.
Source: Wiktionary
In`de*fen"si*bly, adv.
Definition: In an indefensible manner.
INDEFENSIBLE
In`de*fen"si*ble, Etym: [Pref. in- not + defensible: cf. OF.
indefensible, indefensable.]
Definition: Not defensible; not capable of being defended, maintained,
vindicated, or justified; unjustifiable; untenable; as, an
indefensible fortress, position, cause, etc.
Men find that something can be said in favor of what, on the very
proposal, they thought utterly indefensible. Burke.
Source: Webster’s Unabridged Dictionary 1913 Edition