1. Not imagined even in a dream
   - undreamed, undreamed of, undreamt, undreamt of

See also: incredible, unbelievable

• intuit
• intuition
• intuitional
• intuitionism
• intuitionist
• intuitive
• intuitive feeling
• intuitively
• intumesce
• intumescence
• intumescency
• intumescent
• intussuscept
• intussusception
• Inuit
• Inuktitut
• inula
• Inula helenium
• inulin
• inunct
• inunction
• inundate
• inundated
• inundation
• inure