1. Not by design or artifice; unforced and impromptu
   - unstudied

See also: candid, unaffected

• drawbar
• drawbridge
• drawdown
• drawee
• drawer
• regimental
• regimentally
• regimentals
• regimentation
• regimented
• Regina
• Reginald Carey Harrison
• Reginald Joseph Mitchell
• Reginald Marsh
• Regiomontanus
• region
• regional
• regional anaesthesia
• regional anatomy
• regional anesthesia
• regional enteritis
• regional ileitis
• regionalism
• regionally
• register