airside

adj

1. (not-comparable)In the passenger-only area of an airport, beyond security, passport and immigration, and customs controls.

   “When I was airside, I browsed the duty-free shops.”

   “You can relax, or catch up with work, safe in the knowledge that it’s just a few yards to the gate, assuming the lounge is “airside” (not “landside”).”

   “The airside terminal building will be extended into the landside building, making one large structure, getting rid of the people mover and remodeling the gate areas. It should be completed in 2023.”

adv

1. (not-comparable)Into the passenger-only area of an airport, beyond security, passport and immigration, and customs controls.

   “You have to go through security to go airside.”

   “All went well for the first twenty minutes – women stepped through the metal detector and she and Alison rubbed down passengers who set it off to make sure they were not carrying items of threat airside and onto aircraft.”

   “Philadelphia International Airport will soon be allowing non-flyers to go airside.”

noun

1. A passenger-only area of an airport, beyond security, passport and immigration, and customs controls.