diagonal

adjective
di·​ag·​o·​nal | \ dī-ˈa-gə-nᵊl How to pronounce diagonal (audio) , -ˈag-nəl\

Definition of diagonal

 (Entry 1 of 2)

1a : joining two vertices of a rectilinear figure that are nonadjacent or two vertices of a polyhedral figure that are not in the same face
b : passing through two nonadjacent edges of a polyhedron a diagonal plane
2a : inclined obliquely from a reference line (such as the vertical) wood with a diagonal grain
b : having diagonal markings or parts a diagonal weave

diagonal

noun

Definition of diagonal (Entry 2 of 2)

1 : a diagonal straight line or plane
2a(1) : a diagonal direction
(2) : a diagonal row, arrangement, or pattern
b : something oriented in diagonal position
on the diagonal
: in an oblique direction : diagonally

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Examples of diagonal in a Sentence

Adjective

The blanket is covered with diagonal stripes. the diagonal design ran up the wall all the way from the lower left to the upper right-hand corner

Noun

a design with strong diagonals the ramp was set at a low diagonal to make it easier for physically challenged patrons
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Recent Examples on the Web: Adjective

The entire building fell in on itself, with the slumping east side of the structure pulling down the west side in a diagonal collapse. Popular Mechanics Editors, Popular Mechanics, "Debunking the 9/11 Myths: Special Report - The World Trade Center," 10 Sep. 2019 For more than four years the road has been intermittently torn up and reduced to two lanes as the city installs roundabouts, sidewalks, parks and, soon, diagonal parking. Pam Kragen, San Diego Union-Tribune, "Vista’s Flying Pig restaurant to close, revamp into new TownHall concept," 25 Aug. 2019 Cut the steak in thin, diagonal slices against the grain. Bonnie S. Benwick, Washington Post, "Step up your steak night with cumin-rubbed flank and chimichurri potatoes," 20 Aug. 2019 Plate the nigiri, turning it at a diagonal with the bottom right closest to the diner. Michael A. Gardiner, San Diego Union-Tribune, "Unrushed rice is key to success with homemade sushi," 6 Aug. 2019 In the first of the two sections, one, Dallas McMurray, is ejected from the diagonal while the others remain, executing a looping series of stylized but halting poses like friezes come to life. Janine Parker, BostonGlobe.com, "An intensely joyful performance from Mark Morris Dance Group at Jacob’s Pillow," 18 July 2019 When a vehicle rolls to a stop at a diagonal with the potential to turn in front of you, watch the wheels and not the relative motion of the vehicle. Tom Stienstra, SFChronicle.com, "Tips for customizing your favorite outdoor gear," 5 June 2019 Even the maxed-out iPhone XS Max is only 6.5 inches, measured on the diagonal. Geoffrey A. Fowler, The Denver Post, "Galaxy Note 10 hands on: What Samsung’s $950 big new phone adds — and takes away," 21 Aug. 2019 Julian Gressel knocked a long, diagonal pass into the path of Martinez, who chipped Timbers goalkeeper Steve Clark from the top of the box with a beautiful finish. Caitlin Murray | For The Oregonian/oregonlive, oregonlive.com, "Déjà vu for Portland Timbers in loss to Atlanta in MLS Cup rematch," 18 Aug. 2019

Recent Examples on the Web: Noun

But to the brothers’ dismay Hippasus proved that the side of a square has no common measure with its diagonal, and consequently some magnitudes—known as irrational numbers—cannot... Amir Alexander, WSJ, "‘The Universe Speaks in Numbers’ Review: The Inner Observatory," 7 June 2019 How did Grand Avenue end up diagonal in a grid of roads? Dylan Simard, azcentral, "Valley 101 podcast lightning round: 4 popular questions about Phoenix's history," 1 July 2019 The mom rocked a form-fitting black dress that featured a plunging neckline with a sheer, diagonal cut bottom embellished with black feathers. Georgia Slater, PEOPLE.com, "New Mom Troian Bellisario Hits the Red Carpet 10 Months After Birth of Baby Girl," 13 Aug. 2019 For example, among the eight corners of the three-dimensional cube, the four points (0,0,0), (1,1,0), (1,0,1) and (0,1,1) all sit across diagonals from one another. Quanta Magazine, "Decades-Old Computer Science Conjecture Solved in Two Pages," 25 July 2019 On the floodlit pitch a pheasant groomed itself beneath the sagging diagonals of the goalmouth netting. Colin Barrett, Harper's magazine, "The Alps," 22 July 2019 This picture is his Whistler moment, with muted blues and yellows, vaguely japonisme wallpaper, lots of diagonals, and figures more languid than sternly upright. Brian T. Allen, National Review, "A Closer Look at Rockwell’s Four Freedoms," 22 June 2019 Along the front, diagonal pinstripes cut across the shirt. SI.com, "Wolves Away Kit 2019/20: Wanderers Release Smart New Away Strip to Positive Reviews," 15 July 2019 It’s structured by a handful of horizontals, verticals, and diagonals. Brian T. Allen, National Review, "A Closer Look at Rockwell’s Four Freedoms," 22 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diagonal.' 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 diagonal

Adjective

1563, in the meaning defined at sense 1a

Noun

1571, in the meaning defined at sense 1

History and Etymology for diagonal

Adjective

Latin diagonalis, from Greek diagōnios from angle to angle, from dia- + gōnia angle; akin to Greek gony knee — more at knee entry 1

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Statistics for diagonal

Last Updated

9 Oct 2019

Look-up Popularity

Time Traveler for diagonal

The first known use of diagonal was in 1563

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More Definitions for diagonal

diagonal

adjective

English Language Learners Definition of diagonal

 (Entry 1 of 2)

of a straight line : joining two opposite corners of a shape (such as a square or rectangle) especially by crossing the center point of the shape
: not going straight across or up and down

diagonal

noun

English Language Learners Definition of diagonal (Entry 2 of 2)

: a diagonal line, direction, or pattern

diagonal

adjective
di·​ag·​o·​nal | \ dī-ˈa-gə-nᵊl How to pronounce diagonal (audio) , -ˈag-nəl\

Kids Definition of diagonal

 (Entry 1 of 2)

1 : running from one corner to the opposite corner of a four-sided shape (as a square) a diagonal line
2 : running in a slanting direction diagonal stripes

Other Words from diagonal

diagonally \ -​nə-​lē \ adverb

diagonal

noun

Kids Definition of diagonal (Entry 2 of 2)

: a line, direction, or pattern that runs in a slanting direction

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More from Merriam-Webster on diagonal

Rhyming Dictionary: Words that rhyme with diagonal

Thesaurus: All synonyms and antonyms for diagonal

Spanish Central: Translation of diagonal

Nglish: Translation of diagonal for Spanish Speakers

Britannica English: Translation of diagonal for Arabic Speakers

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