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

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More