indefensible

in- +‎ defensible

indefensible (comparative more indefensible, superlative most indefensible)

1. Not defensible; not capable of being defended.

   Synonym: vulnerable

2. (figurative) Incapable of being justified or excused.

   Synonyms: inexcusable, unpardonable, untenable

   • 2017 May 31, Todd Stern, “Leaving the Paris Agreement Would Be Indefensible”, in The Atlantic‎:

     The president evidently intends to follow his own misguided calculus. A decision to withdraw would be indefensible. It is important to understand why and to consider what we need to do next.

   • 2023 October 12, Rajan Menon, “Killing civilians is indefensible, whether done by Hamas or Israel”, in The Guardian‎, →ISSN:

     Killing civilians is indefensible, whether done by Hamas or Israel [title]

3. Incapable of being explained.

   Synonyms: untenable, insupportable, invalid

• defensible

• indefensibility
• indefensibleness
• indefensibly

• undefendable