Ground

/ɡɹaʊnd/ adj, noun, verb

adj, noun, verb ·Top 500 ·Elementary level

Meaning at a glance

  • Primary sense: The surface of the Earth, as opposed to the sky or water or underground.
  • Grammar: ground is listed as adj, noun, verb.
  • Nearest alternatives: earth, basis, land, reason.
  • Useful contrasts: dizzying, galician espazo, great waters.
  • Usage evidence: I can't agree to your proposal on the ground that it is not fair and reasonable.

How to use "ground"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "ground" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "ground" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "ground" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "ground" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "ground" is acting as adj, noun, verb in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "earth" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "ground", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    The surface of the Earth, as opposed to the sky or water or underground. countable, uncountable

    "Look, I found a ten dollar bill on the ground!"

  2. 2
    the first or preliminary coat of paint or size applied to a surface wordnet
  3. 3
    Terrain. uncountable

    "As the terrain-following radar scans the ground ahead of the aircraft the actual clearance height is measured by the radio altimeter."

  4. 4
    (art) the surface (as a wall or canvas) prepared to take the paint for a painting wordnet
  5. 5
    Soil, earth. countable, uncountable

    "The worm crawls through the ground."

Show 29 more definitions
  1. 6
    a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage) wordnet
  2. 7
    The bottom of a body of water. countable
  3. 8
    a relatively homogeneous percept extending back of the figure on which attention is focused wordnet
  4. 9
    Basis, foundation, groundwork, legwork. countable, uncountable

    "Wyth cry unreverent, Before the sacrament, Wythin the holy church bowndis, That of our fayth the grownd is."

  5. 10
    the part of a scene (or picture) that lies behind objects in the foreground wordnet
  6. 11
    Reason, (epistemic) justification, cause. countable, in-plural, uncountable

    "You will need to show good grounds for your action."

  7. 12
    a position to be won or defended in battle (or as if in battle) wordnet
  8. 13
    Background, context, framework, surroundings. countable, uncountable
  9. 14
    a rational motive for a belief or action wordnet
  10. 15
    The area on which a battle is fought, particularly as referring to the area occupied by one side or the other. Often, according to the eventualities, "to give ground" or "to gain ground". countable, historical, uncountable
  11. 16
    the solid part of the earth's surface wordnet
  12. 17
    Advantage given or gained in any contest; e.g. in football, chess, debate or academic discourse. broadly, countable, figuratively, uncountable
  13. 18
    material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use) wordnet
  14. 19
    A place suited to a specified activity. countable, in-compounds, uncountable

    "a forest traditionally used as a hunting-ground"

  15. 20
    a relation that provides the foundation for something wordnet
  16. 21
    The plain surface upon which the figures of an artistic composition are set. countable, uncountable

    "crimson flowers on a white ground"

  17. 22
    the loose soft material that makes up a large part of the land surface wordnet
  18. 23
    A flat surface upon which figures are raised in relief. countable, uncountable
  19. 24
    The net of small meshes upon which the embroidered pattern is applied. countable, uncountable

    "Brussels ground"

  20. 25
    A gummy substance spread over the surface of a metal to be etched, to prevent the acid from eating except where an opening is made by the needle. countable, uncountable
  21. 26
    One of the pieces of wood, flush with the plastering, to which mouldings etc. are attached. countable, in-plural, uncountable

    "Grounds are usually put up first and the plastering floated flush with them."

  22. 27
    A soccer stadium. UK, countable

    "Manchester United's ground is known as Old Trafford."

  23. 28
    An electrical conductor connected to the earth, or a large conductor whose electrical potential is taken as zero (such as a steel chassis). countable, uncountable

    "А ground may be undesirable, inadvertent, or accidental path taken by an electrical current; or it may be the deliberate provision of conductors well connected to the ground by means of plates buried therein, or similar device."

  24. 29
    Electric shock. Philippines, countable, uncountable
  25. 30
    The area of grass on which a match is played (a cricket field); the entire arena in which it is played; the part of the field behind a batsman's popping crease where he can not be run out (hence to make one's ground). countable
  26. 31
    A composition in which the bass, consisting of a few bars of independent notes, is continually repeated to a varying melody. countable, uncountable
  27. 32
    The tune on which descants are raised; the plain song. countable, uncountable

    "Buck[ingham] The Mayor is here at hand; pretend ſome fear, // Be not you ſpoke with, but by mighty ſuit; // And look you get a prayer-book in your hand, // And ſtand between two churchmen, good my lord, // For on that ground I’ll build a holy deſcant: // And be not eaſily won to our requeſts: // Play the maid’s part, ſtill anſwer nay, and take it."

  28. 33
    The pit of a theatre. countable, uncountable

    "the understanding gentlemen o' the ground here ask'd my judgment"

  29. 34
    Synonym of munny (“land measure”). India, countable, obsolete, uncountable

    "It is sub-divided into annas (or 16ths), of 3,600 square feet each; or when the land is for building purposes, into grounds (munnies) of 1/24 of a cawny each, as in the town of Madras."

Verb
  1. 1
    To connect (an electrical conductor or device) to a ground. US

    "These geomagnetically induced currents (GICs) can become a hazard when they flow through conducting infrastructure, usually entering and exiting networks where equipment is grounded to Earth."

  2. 2
    simple past and past participle of grind form-of, participle, past

    "I ground the coffee up nicely."

  3. 3
    use as a basis for; found on wordnet
  4. 4
    To electrocute. Philippines
  5. 5
    instruct someone in the fundamentals of a subject wordnet
Show 20 more definitions
  1. 6
    To punish, especially a child or teenager, by forcing them to stay at home and/or give up certain privileges. transitive

    "If you don't clean your room, I'll have no choice but to ground you."

  2. 7
    connect to a ground wordnet
  3. 8
    To forbid (an aircraft or pilot) to fly. transitive

    "Because of the bad weather, all flights were grounded."

  4. 9
    fix firmly and stably wordnet
  5. 10
    To give a basic education in a particular subject; to instruct in elements or first principles.

    "Jim was grounded in maths."

  6. 11
    cover with a primer; apply a primer to wordnet
  7. 12
    To place a bat or part of the body on the ground to avoid being run out.
  8. 13
    (baseball) a hit that travels along the playing field. wordnet
  9. 14
    To hit a ground ball. Compare fly (verb (regular)) and line (verb).

    "[Ichiro Suzuki] went 0 for 4, popping out in foul territory, grounding out to second, and striking out looking. And then, in the top of the eighth inning with a runner on second, the “True Hit King” grounded out to short, just barely failing to beat it out."

  10. 15
    throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage wordnet
  11. 16
    To place something on the ground.
  12. 17
    place or put on the ground wordnet
  13. 18
    To run aground; to strike the bottom and remain fixed. intransitive

    "The ship grounded on the bar."

  14. 19
    confine or restrict to the ground wordnet
  15. 20
    To found; to fix or set, as on a foundation, reason, or principle; to furnish a ground for; to fix firmly.

    "being rooted and grounded in love"

  16. 21
    hit or reach the ground wordnet
  17. 22
    To cover with a ground, as a copper plate for etching, or as paper or other materials with a uniform tint as a preparation for ornament.
  18. 23
    bring to the ground wordnet
  19. 24
    To improve or focus the mental or emotional state of.

    "I ground myself with meditation."

  20. 25
    To complement a machine learning model with relevant information it was not trained on.

    "We design WikiChat (Figure 1) to ground LLMs using Wikipedia to achieve the following objectives. While LLMs tend to hallucinate, our chatbot should be factual."

Adjective
  1. 1
    Crushed, or reduced to small particles. not-comparable

    "ground mustard seed"

  2. 2
    Processed by grinding. not-comparable

    "lenses of ground glass"

Synonyms

All synonyms
earthbasislandreasonsoila priori principle

Antonyms

dizzyinggalician espazogreat watersromanian tensiune

Example

"I can't agree to your proposal on the ground that it is not fair and reasonable."

Common questions

What does "ground" mean?

The surface of the Earth, as opposed to the sky or water or underground.

What is a synonym for "ground"?

Common synonyms include: earth, basis, land, reason, soil, a priori principle.

How do you use "ground" in a sentence?

I can't agree to your proposal on the ground that it is not fair and reasonable.

How do you pronounce "ground"?

Pronounced /ɡɹaʊnd/.

Etymology

Etymology 1

Etymology tree Proto-Indo-European *gʰrem-der. Proto-Germanic *grunduz Old English grund Middle English ground English ground From Middle English ground, from Old English grund, from Proto-West Germanic *grundu, from Proto-Germanic *grunduz. Cognate with West Frisian grûn, Dutch grond and German Grund.

Etymology 2

Inflected form of grind. See also milled.

More for "ground"