View synonyms for horizontal


[ hawr-uh-zon-tl, hor- ]


  1. at right angles to the vertical; parallel to level ground.
  2. flat or level:

    a horizontal position.

  3. being in a prone or supine position; recumbent:

    His bad back has kept him horizontal for a week.

  4. near, on, or parallel to the horizon.
  5. of or relating to the horizon.
  6. measured or contained in a plane parallel to the horizon:

    a horizontal distance.

  7. (of material on a printed page, pieces on a game board, etc.) extending across, from the left to the right of the viewer.
  8. of or relating to a position or individual of similar status:

    He received a horizontal promotion to a different department, retaining his old salary and title.

  9. Economics. of or relating to companies, affiliates, divisions, etc., that perform the same or similar functions or produce the same or similar products:

    Through horizontal mergers the company monopolized its field.


  1. anything horizontal, as a plane, direction, or object.


/ ˌhɒrɪˈzɒntəl /


  1. parallel to the plane of the horizon; level; flat Compare vertical
  2. of or relating to the horizon
  3. measured or contained in a plane parallel to that of the horizon
  4. applied uniformly or equally to all members of a group
  5. economics relating to identical stages of commercial activity

    horizontal integration


  1. a horizontal plane, position, line, etc

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Derived Forms

  • ˌhorizonˈtality, noun
  • ˌhoriˈzontally, adverb

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Other Words From

  • hor·i·zon·tal·i·ty [hawr-i-zon-, tal, -i-tee, hor-], hori·zontal·ness noun
  • hori·zontal·ly adverb
  • subhor·i·zontal adjective
  • subhor·i·zontal·ly adverb
  • subhor·i·zontal·ness noun
  • unhor·i·zontal adjective
  • unhor·i·zontal·ly adverb

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Word History and Origins

Origin of horizontal1

1545–55; < Latin horizont- (stem of horizōn ) horizon + -al 1

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Example Sentences

This capability was restored, she discovered, when the yeasts acquired bacterial versions of those genes via horizontal gene transfer.

The miter saw is fully adjustable with easy to read markers and a 14-Inch expanded horizontal cutting capacity.

As a matter of physics, rotation is required to produce horizontal or physical movement on pitches.

Interstellar horizontal gene transfer need not involve physical movement, but could enhance the fitness of any participating species.

It also appears that horizontal gene exchange isn’t limited to prokaryotes.

Like countless other boys in Massapequa, he had a crew cut and wore Keds sneakers and T-shirts with horizontal stripes.

Daily activity is rendered in parallel horizontal timelines, making it very easy to compare one day's activity to the next.

Name some aspect of the horizontal polka and it has probably been discussed endlessly among human beings with two X chromosomes.

You see, the spine is a row of vertebrae that was designed to be horizontal.

Like the wings, the tail surfaces—horizontal and vertical—easily break away from the fuselage and float.

In the diagram the horizontal arrows represent such mere banking operations, not true circulation.

It had worked at Tavistock; it was a horizontal high-pressure pole puffer.

Carlson was a little above medium height, dark complexioned, his brow a washboard of horizontal wrinkles.

The cliffs of Red Point partake of a reddish tinge and appear to be disposed nearly in horizontal strata.

The tubes are horizontal over the fire, the water circulating through them.





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