What does "horizon" mean?
The visible horizontal line (in all directions) where the sky appears to meet the earth in the distance.
Horizon
/həˈɹaɪ.zən/ noun
noun ·Moderate ·High school level
Meaning at a glance
- Primary sense: The visible horizontal line (in all directions) where the sky appears to meet the earth in the distance.
- Grammar: horizon is listed as noun.
- Nearest alternatives: ambit, apparent horizon, azimuth, background.
- Useful contrasts: dead end, endlessness, limits.
- Usage evidence: Death is only a horizon, and a horizon is nothing save the limit of our sight.
How to use "horizon"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "horizon" carries the exact meaning, tone, and strength you need.
- 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 "horizon" 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 "horizon" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "horizon" 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 "horizon" is acting as noun 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 "ambit" 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 "horizon", 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 The visible horizontal line (in all directions) where the sky appears to meet the earth in the distance.
"A tall building was visible on the whole sweep of the horizon."
- 2 the range of interest or activity that can be anticipated wordnet
- 3 The range or limit of one's knowledge, experience or interest; a boundary or threshold. figuratively
"Some students take a gap year after finishing high school to broaden their horizons."
- 4 the line at which the sky and Earth appear to meet wordnet
- 5 The range or limit of any dimension in which one exists.
"Only mortality, this irreducible and primordial horizon, that very horizon which, in Being and Time, Heidegger so compellingly revealed as the unsurpassable and defining possibility, remains."
Show 6 more definitions
- 6 the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth wordnet
- 7 A specific layer of soil, or stratum
- 8 a specific layer or stratum of soil or subsoil in a vertical cross section of land wordnet
- 9 A cultural sub-period or level within a more encompassing time period. US
- 10 Any level line or surface.
- 11 The point at which a computer chess algorithm stops searching for further moves.
Synonyms
All synonymsAntonyms
Example
"Death is only a horizon, and a horizon is nothing save the limit of our sight."
Common questions
What is a synonym for "horizon"?
Common synonyms include: ambit, apparent horizon, azimuth, background, boundary, celestial horizon.
How do you use "horizon" in a sentence?
Death is only a horizon, and a horizon is nothing save the limit of our sight.
How do you pronounce "horizon"?
Pronounced /həˈɹaɪ.zən/.
Etymology
Inherited from Middle English orisonte, orisoun, from Middle French horizon, horizonte, from Old French orisonte, orison, via Latin horizōn, from Ancient Greek ὁρίζων (horízōn), from ὅρος (hóros, “boundary”).