1. Purchasable without a doctor's prescription
   "nonprescription drugs"
   - over-the-counter

Antonym: prescription

• proof spirit
• proofed
• proofread
• proofreader
• prop
• prop root
• prop up
• prop-leg
• propaedeutic
• propaedeutics
• propaganda
• propagandise
• propagandism
• propagandist
• propagandistic
• propagandize
• propagate
• propagation
• propagative
• propagator
• propanal
• propanamide
• propane
• propanediol
• propanoic acid