follow Dictionary.com

Love words? Sign up for our Word of the Day!

horizontal

[hawr-uh-zon-tl, hor-] /ˌhɔr əˈzɒn tl, ˌhɒr-/
adjective
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 pertaining 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 pertaining 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 pertaining 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.
noun
10.
anything horizontal, as a plane, direction, or object.
Origin
1545-1555
1545-55; < Latin horizont- (stem of horizōn) horizon + -al1
Related forms
horizontality
[hawr-i-zon-tal-i-tee, hor-] /ˌhɔr ɪ zɒnˈtæl ɪ ti, ˌhɒr-/ (Show IPA),
horizontalness, noun
horizontally, adverb
subhorizontal, adjective
subhorizontally, adverb
subhorizontalness, noun
unhorizontal, adjective
unhorizontally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for horizon-tally

horizontal

/ˌhɒrɪˈzɒntəl/
adjective
1.
parallel to the plane of the horizon; level; flat Compare vertical (sense 1)
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
noun
6.
a horizontal plane, position, line, etc
Derived Forms
horizontality, horizontalness, noun
horizontally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for horizon-tally

horizontal

adj.

1550s, "relating to or near the horizon," from French horizontal, from Latin horizontem (see horizon). Meaning "flat" (i.e., "parallel to the horizon") is from 1630s. Related: horizontally.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for horizontal

Most English speakers likely know this word

Word Value for horizon

19
19
Scrabble Words With Friends

Quotes with horizon-tally