1. Not digestible

See also: indigestible

• rare
• rare bird
• rare earth
• rare-earth element
• rare-roasted
• rarebit
• raree-show
• rarefaction
• rarefied
• rarefy
• rarely
• rareness
• rarified
• rarify
• raring
• rariora
• rarity
• RAS
• Ras Tafari Makonnen
• rascal
• rascality
• rascally
• rase
• rash
• rasher