1. Very clearly delineated
   "razor-sharp definition" 
2. As sharp as a razor

See also: distinct, sharp

• passenger vehicle
• passer
• Passer domesticus
• Passer montanus
• passerby
• Passeres
• Passeridae
• passeriform bird
• Passeriformes
• Passerina
• Passerina cyanea
• passerine
• Passero
• Passero Cape
• passible
• Passiflora
• Passiflora edulis
• Passiflora foetida
• Passiflora incarnata
• Passiflora laurifolia
• Passiflora ligularis
• Passiflora maliformis
• Passiflora mollissima
• Passiflora quadrangularis
• Passifloraceae