horizon
noun
ho·ri·zon
hə-ˈrī-zᵊn 
1
a
: the line where the earth seems to meet the sky : the apparent junction of earth and sky
sailing toward the horizon
b
: the great circle on the celestial sphere formed by the intersection of the celestial sphere with a plane tangent to the earth's surface at an observer's position see azimuth illustration
c
: range of perception or experience
broaden your horizons
d
: something that might be attained
opening up new horizons in the field of cancer research
2
a
geology
: a natural soil layer deposited at a particular time usually identified by distinctive fossils
b
geology
: any of the reasonably distinct layers of soil or its underlying material in a vertical section of land
c
anthropology
: a cultural area or level of development indicated by separated groups of artifacts
Examples of horizon in a Sentence
We sailed toward the horizon.
The sun rose slowly over the eastern horizon.
These discoveries have opened up new horizons in the field of cancer research.
Recent Examples on the Web
All that said, my time in the Midwest and East Coast broadened my horizons, and has given me a newfound appreciation for sweaters.
—
Hannah Jackson, Vogue, 20 Nov. 2024
Though a new potential destination is on the storm's horizon, Rafael's extended journey across the Gulf could contribute to its weakening.
—Thomas G. Moukawsher, Newsweek, 6 Nov. 2024
To see it, find a west-facing view with minimal horizon obstructions.
—Stephanie Vermillion, Travel + Leisure, 1 Nov. 2024
These experiences help broaden young people’s horizons and encourage them to explore further, building confidence and opening doors to better opportunities in life.
—Kody Boye, USA TODAY, 30 Oct. 2024
See all Example Sentences for horizon 
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Hannah Jackson, Vogue, 20 Nov. 2024
Though a new potential destination is on the storm's horizon, Rafael's extended journey across the Gulf could contribute to its weakening.
—Thomas G. Moukawsher, Newsweek, 6 Nov. 2024
To see it, find a west-facing view with minimal horizon obstructions.
—Stephanie Vermillion, Travel + Leisure, 1 Nov. 2024
These experiences help broaden young people’s horizons and encourage them to explore further, building confidence and opening doors to better opportunities in life.
—Kody Boye, USA TODAY, 30 Oct. 2024
See all Example Sentences for horizon
Dictionary Entries Near horizon
Cite this Entry
“Horizon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/horizon. Accessed 28 Nov. 2024.
Copy CitationKids Definition
horizon
noun
ho·ri·zon
ˈhə-ˈrīz-ᵊn
1
: the line where the earth or sea seems to meet the sky
2
: the limit or range of a person's outlook or experience
reading broadens our horizons
3
: a distinct layer of soil or its underlying material in a vertical section of land
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