The ground is the surface of the earth.

If you say that something takes place on the ground, you mean it takes place on the surface of the earth and not in the air.

The ground is the soil and rock on the earth's surface.

You can refer to land as ground, especially when it has very few buildings or when it is considered to be special in some way.

You can use ground to refer to an area of land, sea, or air which is used for a particular activity.

A ground is an area of land which is specially designed and made for playing sport or for some other activity. In American English grounds is also used.

The grounds of a large or important building are the garden or area of land which surrounds it.

You can use ground to refer to a place or situation in which particular methods or ideas can develop and be successful.

You can use ground in expressions such as on shaky ground and the same ground to refer to a particular subject, area of experience, or basis for an argument.

Ground is used in expressions such as gain ground ,lose ground, and give ground in order to indicate that someone gets or loses an advantage.

If something is grounds for a feeling or action, it is a reason for it. If you do something on the grounds of a particular thing, that thing is the reason for your action.

If an argument, belief, or opinion is grounded in something, that thing is used to justify it.

If an aircraft or its passengers are grounded, they are made to stay on the ground and are not allowed to take off.

When parents ground a child, they forbid them to go out and enjoy themselves for a period of time, as a punishment.

If a ship or boat is grounded or if it grounds, it touches the bottom of the sea, lake, or river it is on, and is unable to move off.

The ground in an electric plug or piece of electrical equipment is the wire through which electricity passes into the ground and which makes the equipment safe.

Ground meat has been cut into very small pieces in a machine.

Ground is the past tense and past participle of grind .

If you break new ground, you do something completely different or you do something in a completely different way.

If you say that a town or building is burnt to the ground or is razed to the ground, you are emphasizing that it has been completely destroyed by fire.

If two people or groups find common ground, they agree about something, especially when they do not agree about other things.

If you go to ground, you hide somewhere where you cannot easily be found.

The middle ground between two groups, ideas, or plans involves things which do not belong to either of these groups, ideas, or plans but have elements of each, often in a less extreme form.

If something such as a project gets off the ground, it begins or starts functioning.

If you are on your own ground, you are in a place or situation in which you feel confident because you are very familiar with it.

If you prepare the ground for a future event, course of action, or development, you make it easier for it to happen.

If you shift your ground or change your ground, you change the basis on which you are arguing.

If you stand your ground or hold your ground, you continue to support a particular argument or to have a particular opinion when other people are opposing you or trying to make you change your mind.

If you stand your ground or hold your ground, you do not run away from a situation, but face it bravely.

If you say that something such as a job or piece of clothing suits someone down to the ground, you mean that it is completely suitable or right for them.

If people or things of a particular kind are thin on the ground, there are very few of them.