groundspeed

or ground speed

[ ground-speed ]

noun

the speed of an aircraft with reference to the ground.

Compare Meanings

Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.

Origin of groundspeed

First recorded in 1915–20; ground¹ + speed

Words Nearby groundspeed

groundsill
groundskeeper
ground sloth
ground sluice
groundsman
groundspeed
ground squirrel
ground state
ground stroke
ground substance
groundswell

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for groundspeed

groundspeed

/ (ˈɡraʊndˌspiːd) /

noun

the speed of an aircraft relative to the ground: Compare airspeed

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

Browse