1. having the ability to reduce or eliminate pain

Examples

• The doctor prescribed a painkilling medication for her headache.
• Aspirin has painkilling properties that make it useful for minor aches.
• The painkilling effects of the injection lasted for several hours.
• She took a painkilling tablet before the dental procedure.
• The painkilling cream provided relief from the muscle soreness.
• Many painkilling drugs can cause drowsiness as a side effect.