as in flat
parallel to the ground
She reclined the chair to a horizontal position. The line on the graph was nearly horizontal, indicating little growth over the fiscal year.
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Recent Examples of horizontal
The air vents are mostly hidden on the dashboard and integrated into a horizontal line controlled by the touchscreen, like in a Tesla or a Rivian.
—
Joel Feder, The Drive, 21 Jan. 2026
Twinkling lights of the cityscape danced along a perfect horizontal line in the distance — except for one spot where the lights suddenly became vertical.
—Deputy Managing Editor, Los Angeles Times, 20 Jan. 2026
Two vertical stabilizers and a pair of horizontal stabilizers are seen at the tail end of the missile.
—Ameya Paleja, Interesting Engineering, 20 Jan. 2026
Taylor stood out in Look 64 from the collection, which is a fuzzy, multicolored ensemble that featured a cropped, fringed jacket with red, black, and white horizontal stripes, oversize sleeves and white buttons.
—Maggie Clancy, Footwear News, 17 Jan. 2026
See All Example Sentences for horizontal
Joel Feder, The Drive, 21 Jan. 2026
Twinkling lights of the cityscape danced along a perfect horizontal line in the distance — except for one spot where the lights suddenly became vertical.
—Deputy Managing Editor, Los Angeles Times, 20 Jan. 2026
Two vertical stabilizers and a pair of horizontal stabilizers are seen at the tail end of the missile.
—Ameya Paleja, Interesting Engineering, 20 Jan. 2026
Taylor stood out in Look 64 from the collection, which is a fuzzy, multicolored ensemble that featured a cropped, fringed jacket with red, black, and white horizontal stripes, oversize sleeves and white buttons.
—Maggie Clancy, Footwear News, 17 Jan. 2026
See All Example Sentences for horizontal
Recent Examples of Synonyms for horizontal
flat
Adjective
-
In another demonstration, images encoded into flat films gradually became visible as the material morphed into dome-like 3D structures.—
Neetika Walter,
Interesting Engineering,
6 Feb. 2026
-
Epstein first tried to enlist the help of his attorneys in his bid for clemency, but that quickly fell flat.—
Julie K. Brown,
Miami Herald,
5 Feb. 2026
Cite this Entry
“Horizontal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/horizontal. Accessed 7 Feb. 2026.
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