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

See also: inexcusable, unwarrantably

• tantalization
• tantalize
• tantalizer
• tantalizing
• tantalizingly
• tantalum
• Tantalus
• tantamount
• tantara
• Tantilla
• tantivy
• tantra
• Tantric
• Tantrik
• Tantrism
• Tantrist
• tantrum
• Tanzania
• Tanzanian
• Tanzanian monetary unit
• Tanzanian shilling
• Tanzim
• Tanzimul Fuqra
• Tao
• taoiseach