1. Not accompanied by pain sensations
   - pain-free

See also: painless

• action at law
• action group
• action mechanism
• action movie
• action officer
• action painting
• action plant
• action potential
• action replay
• action spectrum
• action stations
• action-packed
• actionable
• actioner
• Actitis
• Actitis hypoleucos
• Actitis macularia
• Actium
• Activase
• activate
• activated
• activated carbon
• activated charcoal
• activating
• activating agent