English Reference

Word

airspeed

Phoneticsair·speed, stress on the first syllable

US/ˈɛɹˌspid/

UK/ˈeəspiːd/

Uncountable noun

Definition

n. the speed of a plane through the air around it. You measure it against the moving air, not against the ground below.

n. the speed of an aircraft relative to the surrounding air mass, typically expressed in knots or miles per hour. Distinct from groundspeed, which measures movement relative to the Earth's surface.

Examples

“The pilot checks the airspeed before takeoff.”

“The small plane slows down, so the pilot watches the airspeed to keep the wings lifting safely.”

“As the jet climbs into thinner air, maintaining constant airspeed requires more engine power despite the lower drag.”

Examples

simple

“The pilot checks the airspeed before takeoff.”

contextual

“The small plane slows down, so the pilot watches the airspeed to keep the wings lifting safely.”

complex

“As the jet climbs into thinner air, maintaining constant airspeed requires more engine power despite the lower drag.”

Collocations

Common phrases and expressions where native English speakers use the word “airspeed” in context.

Verb

01. airspeed drops

“If airspeed drops too quickly, the stick shaker warns the crew.”

noun + verb

02. airspeed recovers

“Once the nose is lowered, airspeed recovers very quickly.”

noun + verb

03. airspeed stabilizes

“After level-off, airspeed stabilizes at the cruising value.”

noun + verb

04. increase airspeed

“Lower the nose slightly to increase airspeed and avoid a stall.”

verb + noun

Adjective

05. adequate airspeed

“Keep adequate airspeed on final approach to maintain full control.”

adj + noun

06. calibrated airspeed

“The manual lists stall speeds in calibrated airspeed for accuracy.”

adj + noun

07. indicated airspeed

“Pilots check indicated airspeed on the dial before rotating for takeoff.”

adj + noun

Noun

08. airspeed indicator

“The airspeed indicator showed 140 knots on short final.”

noun + noun

09. change in airspeed

“Sudden turbulence caused an unexpected change in airspeed.”

noun + prep + noun

10. gain in airspeed

“A slight dive produced a rapid gain in airspeed.”

noun + prep + noun

11. check the airspeed indicator

“She glanced down to check the airspeed indicator before landing.”

12. keep airspeed above minimum

“Instructors stress you must keep airspeed above minimum in turns.”

Etymology

From air + speed.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

Domain

Aviation

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

QR code

englishreference.com/q/airspeed

English Reference