1. Doomed to extinction
   - done for, ruined, sunk, undone

See also: unsuccessful

• Psilotaceae
• Psilotales
• Psilotatae
• Psilotum
• Psilotum nudum
• Psithyrus
• Psittacidae
• Psittaciformes
• psittacosaur
• psittacosaurus
• psittacosis
• Psittacula
• Psittacula krameri
• Psittacus
• Psittacus erithacus
• psoas
• psocid
• Psocidae
• Psocoptera
• psocopterous insect
• Psophia
• Psophia crepitans
• Psophiidae
• Psophocarpus
• Psophocarpus tetragonolobus