ho·​ri·​zon | \ hə-ˈrī-zᵊn How to pronounce horizon (audio) \

Definition of horizon

1a : 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
2a 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

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Other Words from horizon

horizonal \ hə-​ˈrī-​zᵊn-​əl How to pronounce horizonal (audio) \ adjective

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.
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Recent Examples on the Web

Here’s why that matters: An inverted yield curve historically has been a reliable indicator that a recession is on the horizon. Wired, "What Recession? Low Interest Rates Could Mean Tech-Fueled Growth," 4 Sep. 2019 And new deals for Kupp and Woods could be on the horizon. Los Angeles Times, "Jared Goff’s new contract puts financial pressure on Rams to keep talent on roster," 4 Sep. 2019 Bust: Phillip Lindsay, RB Four of his 10 touchdowns as a rookie came from 25 yards or farther so there’s some regression on the horizon. San Diego Union-Tribune, "Fantasy Football: 32 sleepers and busts for the 2019 NFL season," 1 Sep. 2019 While there's no certainty the U.S. is headed toward recession, there are enough storm clouds on the horizon to make investors and everyday consumers nervous. Charisse Jones, USA TODAY, "How to survive a recession if you're a small business: It may be rocky but it's possible," 30 Aug. 2019 With economists predicting a recession on the horizon in 2020, Oregon taxpayers might not receive that kicker tax rebate in 2020. Hillary Borrud | The Oregonian/oregonlive, oregonlive.com, "Oregon taxpayers set to get a $1.6 billion ‘kicker’ rebate next year," 28 Aug. 2019 Other neat additions on the horizon include Journey of Water, Inspired by Moana, an experience in the World Nature area, new narration on the classic Spaceship Earth, and a new pavilion for live events. Perri Ormont Blumberg, Southern Living, "Epcot Is Debuting a Mary Poppins Attraction and We Can't Wait to Experience It," 26 Aug. 2019 All of this is happening right before a major switch in leadership and with a potential economic recession on the horizon. Emily Bamforth, cleveland.com, "Lakewood Together: A new kind of hyperlocal news in an engaged Cleveland suburb," 23 Aug. 2019 But injuries to Ingram (knee) and fifth-year senior Kirk Johnson (clavicle) have left Texas with just two scholarship running backs with the Aug. 31 opener against Louisiana Tech on the horizon. Nick Moyle, Houston Chronicle, "Texas RB Daniel Young could be in line for bigger role," 22 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'horizon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of horizon

14th century, in the meaning defined at sense 1a

History and Etymology for horizon

Middle English orizon, from Late Latin horizont-, horizon, from Greek horizont-, horizōn, from present participle of horizein to bound, define, from horos boundary; perhaps akin to Latin urvum curved part of a plow

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Statistics for horizon

Last Updated

8 Sep 2019

Look-up Popularity

Time Traveler for horizon

The first known use of horizon was in the 14th century

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More Definitions for horizon



English Language Learners Definition of horizon

: the line where the earth or sea seems to meet the sky
: the limit or range of a person's knowledge, understanding, or experience
: the limit of what is possible in a particular field or activity


ho·​ri·​zon | \ hə-ˈrī-zᵊn How to pronounce horizon (audio) \

Kids Definition of horizon

1 : the line where the earth or sea seems to meet the sky
2 : the limit of a person's outlook or experience Reading broadens our horizons.

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Comments on horizon

What made you want to look up horizon? Please tell us where you read or heard it (including the quote, if possible).


authorized for issue (as a bond)

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