unjustifiable

Meanings

1. 1
   adj

   impossible to defend as right, reasonable, or warranted

   The inquiry found the use of force excessive and unjustifiable.

Formed from un- ('not') + justifiable. Justifiable derives from justify, borrowed through French from Latin iustificare, 'to make just,' from iustus ('just') + facere ('to make'); unjustifiable therefore means incapable of being shown to be just or reasonable.

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