The floor of a room is the flat part you walk on.
A floor of a building is all the rooms on a particular level.
You say that something is on a particular floor.
Be Careful!
Don't say that something is 'in' a particular floor.
You don't normally refer to the surface of the earth as the 'floor'. You call it the ground.
However, the surface of the earth in a forest is sometimes referred to as the forest floor, and the land under the sea is sometimes called the sea floor or the ocean floor.
Imperative |
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ground |
ground |
Noun | 1. | ![]() object, physical object - a tangible and visible entity; an entity that can cast a shadow; "it was full of rackets, balls and other objects" archipelago - a group of many islands in a large body of water beachfront - a strip of land running along a beach coastal plain - a plain adjacent to a coast earth, globe, world - the 3rd planet from the sun; the planet we live on; "the Earth moves around the sun"; "he sailed around the world" floor - the ground on which people and animals move about; "the fire spared the forest floor" foreland - land forming the forward margin of something island - a land mass (smaller than a continent) that is surrounded by water isthmus - a relatively narrow strip of land (with water on both sides) connecting two larger land areas mainland - the main land mass of a country or continent; as distinguished from an island or peninsula neck - a narrow elongated projecting strip of land oxbow - the land inside an oxbow bend in a river peninsula - a large mass of land projecting into a body of water champaign, plain, field - extensive tract of level open land; "they emerged from the woods onto a vast open plain"; "he longed for the fields of his youth" slash - an open tract of land in a forest that is strewn with debris from logging (or fire or wind) wonderland - a place or scene of great or strange beauty or wonder |
2. | ground - a rational motive for a belief or action; "the reason that war was declared"; "the grounds for their declaration" rational motive - a motive that can be defended by reasoning or logical argument occasion - reason; "there was no occasion for complaint" | |
3. | ground - the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church" moraine - accumulated earth and stones deposited by a glacier material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread" diatomaceous earth, diatomite, kieselguhr - a light soil consisting of siliceous diatom remains and often used as a filtering material saprolite - a deposit of clay and disintegrating rock that is found in its original place | |
4. | ground - a relation that provides the foundation for something; "they were on a friendly footing"; "he worked on an interim basis" foundation - the basis on which something is grounded; "there is little foundation for his objections" common ground - a basis agreed to by all parties for reaching a mutual understanding | |
5. | ground - a position to be won or defended in battle (or as if in battle); "they gained ground step by step"; "they fought to regain the lost ground" military position, position - a point occupied by troops for tactical reasons | |
6. | ![]() | |
7. | ground - material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); "the land had never been plowed"; "good agricultural soil" object, physical object - a tangible and visible entity; an entity that can cast a shadow; "it was full of rackets, balls and other objects" badlands - deeply eroded barren land bottomland, bottom - low-lying alluvial land near a river coastland - land in a coastal area ploughland, plowland, tillage, tilled land, cultivated land, farmland, tilth - arable land that is worked by plowing and sowing and raising crops overburden - the surface soil that must be moved away to get at coal seams and mineral deposits permafrost - ground that is permanently frozen polder - low-lying land that has been reclaimed and is protected by dikes (especially in the Netherlands) rangeland - land suitable for grazing livestock scablands - (geology) flat elevated land with poor soil and little vegetation that is scarred by dry channels of glacial origin (especially in eastern Washington) wetland - a low area where the land is saturated with water | |
8. | ground - a relatively homogeneous percept extending back of the figure on which attention is focused percept, perception, perceptual experience - the representation of what is perceived; basic component in the formation of a concept figure - a unitary percept having structure and coherence that is the object of attention and that stands out against a ground | |
9. | ground - a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage) connecter, connector, connective, connection, connexion - an instrumentality that connects; "he soldered the connection"; "he didn't have the right connector between the amplifier and the speakers" electricity - a physical phenomenon associated with stationary or moving electrons and protons | |
10. | ground - (art) the surface (as a wall or canvas) prepared to take the paint for a painting artistic creation, artistic production, art - the creation of beautiful or significant things; "art does not need to be innovative to be good"; "I was never any good at art"; "he said that architecture is the art of wasting space beautifully" surface - the outer boundary of an artifact or a material layer constituting or resembling such a boundary; "there is a special cleaner for these surfaces"; "the cloth had a pattern of red dots on a white surface" | |
11. | ![]() coat of paint - a layer of paint covering something else couch - a flat coat of paint or varnish used by artists as a primer | |
Verb | 1. | ![]() |
2. | ground - confine or restrict to the ground; "After the accident, they grounded the plane and the pilot" restrain, confine, hold - to close within bounds, limit or hold back from movement; "This holds the local until the express passengers change trains"; "About a dozen animals were held inside the stockade"; "The illegal immigrants were held at a detention center"; "The terrorists held the journalists for ransom" | |
3. | ground - place or put on the ground | |
4. | ground - instruct someone in the fundamentals of a subject | |
5. | ground - bring to the ground; "the storm grounded the ship" land - bring ashore; "The drug smugglers landed the heroin on the beach of the island" | |
6. | ground - hit or reach the ground | |
7. | ground - throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage football, football game - any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into each other's goal ground - hit onto the ground throw - propel through the air; "throw a frisbee" | |
8. | ground - hit a groundball; "he grounded to the second baseman" baseball, baseball game - a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs; "he played baseball in high school"; "there was a baseball game on every empty lot"; "there was a desire for National League ball in the area"; "play ball!" hit - cause to move by striking; "hit a ball" ground - hit onto the ground | |
9. | ground - hit onto the ground baseball, baseball game - a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs; "he played baseball in high school"; "there was a baseball game on every empty lot"; "there was a desire for National League ball in the area"; "play ball!" hit - cause to move by striking; "hit a ball" ground - hit a groundball; "he grounded to the second baseman" ground - throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage | |
10. | ![]() paint - apply paint to; coat with paint; "We painted the rooms yellow" | |
11. | ground - connect to a ground; "ground the electrical connections for safety reasons" earth - connect to the earth; "earth the circuit" | |
12. | ground - use as a basis for; found on; "base a claim on some observation" build - found or ground; "build a defense on nothing but the accused person's reputation" |