1. Consisting of or resembling mother-of-pearl 
2. Having a play of lustrous rainbow colours
   "nacreous clouds looking like mother-of-pearl"
   - iridescent, opalescent, opaline, pearlescent

See also: bright, nacre

• ready and waiting
• ready cash
• ready money
• ready reckoner
• ready to hand
• ready-cooked
• ready-made
• ready-mix
• ready-to-eat
• ready-to-wear
• readying
• reaffiliation
• reaffirm
• reaffirmation
• Reagan
• Reagan administration
• Reaganomics
• reagent
• reagin
• real
• real estate
• real estate agent
• real estate broker
• Real Estate Investment Trust
• real estate loan