1. At or constituting a border or edge
   - marginal

See also: fringe, peripheral

• 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
• activation
• 39th
• 3d radar
• 3rd