1. Not capable of being collected
   "a uncollectible debt"
   - bad

See also: invalid

• intrusion
• intrusive
• intrusiveness
• intrust
• intubate
• intubation
• intuit
• intuition
• intuitional
• intuitionism
• intuitionist
• intuitive
• intuitive feeling
• intuitively
• intumesce
• intumescence
• intumescency
• intumescent
• intussuscept
• intussusception
• Inuit
• Inuktitut
• inula
• Inula helenium
• inulin