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airspeed

American

[air-speed] / ˈɛərˌspid /

Or air speed

noun

the forward speed of an aircraft relative to the air through which it moves.

airspeed British

/ ˈɛəˌspiːd /

noun

the speed of an aircraft relative to the air in which it moves Compare groundspeed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of airspeed

First recorded in 1905–10; air ¹ + speed

Compare meaning

How does airspeed compare to similar and commonly confused words? Explore the most common comparisons:

airspeed vs. groundspeed

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

airspeed

Facing repeated stall warnings and wildly fluctuating airspeed readings, the pilots responded by pulling up the nose of the plane, causing its speed to drop and the aircraft to stall, French accident investigators found.

From The Wall Street Journal ● May 21, 2026

But this affected the aerodynamic characteristics of the airplane, causing the nose to pitch up at high angle of attack at high airspeed.

From Salon ● Jan. 26, 2024

The crash led to changes in regulations for airspeed sensors and in how pilots are trained.

From Washington Times ● Apr. 17, 2023

The accident later prompted changes in how pilots are trained and new regulations on airspeed sensors.

From Seattle Times ● Oct. 10, 2022

He knew airspeed was different from groundspeed but not by how much.

From "Hatchet" by Gary Paulsen

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023