airside

A1I1R1S1I1D2E1

adjective

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

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

Opposite
UncommonScrabble 8

Meanings

adjectiveairside (not comparable)
  1. not comparableIn 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.

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

    You have to go through security to go airside.

    2 more examples

    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.

    2019, Jennifer Nansubuga Makumbi, “Something Inside So Strong”, in Manchester Happened, Oneworld Publications (2020), page 106

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

    2023 October 21, Lilit Marcus, “The US airports where non-travelers can hang out”, in CNN, archived from the original on 29 Jun 2025
nounairside (plural airsides)

plural airsides

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

Synonyms & antonyms

Opposite

Origin

  1. Latināēr
  2. Old Frenchair
  3. Middle Englishaire
  4. Englishair
  5. Proto-Indo-European*seh₁-
  6. Proto-Germanic*sīdaz
  7. Proto-Germanic*sīdǭ
  8. Old Englishsīde
  9. Middle Englishside
  10. Englishside
  11. Englishairside

From air + -side.

Full word history & related roots →

Translations

Russian чи́стая зо́на, стери́льная зо́на
  • чи́стая зо́на (čístaja zóna)Passenger-only area in an airport
  • стери́льная зо́на (sterílʹnaja zóna)Passenger-only area in an airport

Rhymes & wordplay

Anagrams

Cite this entry
APA

airside. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/airside

MLA

“airside.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/airside. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “airside,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/airside.

Source: airside on Wiktionary, CC BY-SA 4.0.