infertile /in-fûrˈtīl or (US) -til/

1. Not fertile
2. Not capable of producing offspring, sterile
3. Not productive
4. Barren

infertility /-tilˈ/ noun

• ornith-
• ornithic
• ornithichnite
• ornithichnites
• Ornithischia
• ornithischian
• ornithischians
• ornitho-
• Ornithodelphia
• ornithodelphian
• ornithodelphic
• ornithodelphous
• Ornithogaea
• ornithogalum
• ornithogalums
• ornithoid
• ornithological
• ornithologically
• ornithologies
• ornithologist
• ornithologists
• ornithology
• ornithomancies
• ornithomancy
• ornithomantic