Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ground”

See all translations

ground

 /ɡrɑʊnd/ us  

ground (CRUSH)

past simple and past participle of grind

ground

noun  /ɡrɑʊnd/ us  

ground noun (LAND)

[U] the surface of the earth or of a piece of land: We laid a blanket on the ground for our picnic.

ground noun (AREA OF KNOWLEDGE)

[U] an area of knowledge or experience; a subject: This teacher just keeps going over the same ground again and again.

ground noun (CAUSE)

[C usually pl] a reason, cause, or argument: [+ that clause] He refused to answer on the grounds that he’d promised to keep it secret.

ground noun (WIRE)

[C] a connection between a piece of electrical equipment and the earth, or a wire that makes this connection [C] A ground is also an object that holds a very large number of electron s, and can accept or supply more when there is an electric current.

ground

verb [T]  /ɡrɑʊnd/ us  

ground verb [T] (PUNISH)

infml to punish an older child by not allowing the child to go out or be involved in social activities: My parents grounded me for a week.

ground verb [T] (CAUSE)

to have a reason, cause, or argument for your actions or beliefs: His beliefs are grounded in his experience.

ground verb [T] (LAND)

to put or keep on the ground: All flights have been grounded because of the snowstorm.
(Definition of ground from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of ground?
Add Cambridge dictionaries to your browser to your website

Definitions of “ground” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More