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

See also: distinct, sharp

• zemstvo
• Zen
• Zen Buddhism
• Zen Buddhist
• Zenaidura
• Zenaidura macroura
• zenana
• Zend
• Zend-Avesta
• zenith
• zenithal
• Zeno
• Zeno of Citium
• Zeno of Elea
• zeolite
• zeolitic
• Zeomorphi
• zep
• Zephaniah
• zephyr
• zephyrus
• zeppelin
• Zeppo
• zero
• zero hour