Added 10 October 2026 airspeed noun Categories: TimeRare Words noun ! Definition from WordNet 3.1, Princeton University. More about airspeed at Wordnik → Where our words come from → The speed of an aircraft relative to the air in which it is flying. Origin From air + speed. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: bandwidthvelocitygearpacespeedingspeedratehurryfast300vitesse Back to today's word