1. Incapable of being justified or explained
   - indefensible, insupportable, unjustifiable, unwarranted

See also: inexcusable, unwarrantably

• abiotrophy
• abject
• abjection
• abjectly
• abjectness
• abjuration
• abjuratory
• abjure
• abjurer
• Abkhas
• Abkhasian
• Abkhaz
• Abkhazia
• Abkhazian
• ablactate
• ablactation
• ablate
• ablated
• ablation
• ablative
• ablative absolute
• ablative case
• ablaut
• ablaze
• able