1. Clearly evident to the mind
   "his opposition to slavery was unmistakable"
   - unmistakeable 
2. Clearly revealed to the mind or the senses or judgment
   - apparent, evident, manifest, patent, plain, unmistakeable

See also: clear, obvious, unmistakably

• vanilla extract
• vanilla ice cream
• vanilla orchid
• Vanilla planifolia
• vanilla pudding
• vanilla-scented
• vanillin
• Vanir
• vanish
• vanished
• vanisher
• vanishing
• vanishing cream
• vanishing point
• vanishingly
• vanitas
• vanity
• vanity fair
• Vannevar Bush
• vanquish
• vanquishable
• vanquisher
• vantage
• vantage point
• Vanua Levu