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

See also: distinct, sharp

• miscast
• miscategorise
• miscategorize
• miscegenate
• miscegenation
• miscellanea
• miscellaneous
• miscellany
• misch metal
• mischance
• mischaracterise
• mischaracterize
• mischief
• mischief-maker
• mischief-making
• mischievous
• mischievously
• mischievousness
• miscibility
• miscible
• miscommunication
• misconceive
• misconception
• misconduct
• misconstrual