landside

1. not comparableInland; away from the sea.
2. not comparableIn the freely accessible area of an airport, outside of security, passport/immigration, and customs control.

   I had to remain landside because I did not have a boarding card.

   2 more examples

   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”).

   2006 October 15, Roger Collis, “Airport Lounge Programs: How to Get In (and How Much They Cost)”, in The New York Times, archived from the original on 13 Sep 2024

   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.

   2018 December 6, Matt Falcus, “16 new airports and terminals we can’t wait to fly into”, in CNN, archived from the original on 25 Apr 2025

plural landsides

1. The flat bottom part of a plough.
2. The freely-accessible area of an airport, outside of security, passport/immigration, and customs control.

   Antonyms: airside