diagonal

adjective
di·ag·o·nal | \ dī-ˈa-gə-nᵊl , -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

Keep scrolling for more

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
See More

Recent Examples on the Web: Adjective

The away kit is all green with a diagonal slash of yellow and lighter green touches on the front, in tribute to Australia’s 2006 jerseys . Washington Post, "Nigeria’s bright, trippy uniforms a hit among World Cup unis," 12 June 2018 The diagonal beams are like a scaffold that holds in place the condominiums and offices and elevator stacks within. John King, SFChronicle.com, "New nimble, frisky SoMa tower fits neatly into surroundings," 6 July 2018 The display now stretches 6 full inches diagonal, with slightly more pixels than before (2,160 x 1,080). Jeffrey Van Camp, WIRED, "Moto Sticks to Its Mods With the Z3 Play," 6 June 2018 Meanwhile, slice the baguette into about 12-14 slices on the diagonal. Susan Selasky, Detroit Free Press, "Caprese salad meets grilled bread in this easy summer appetizer," 8 July 2018 At that intersection would also be a scramble, or diagonal crosswalk, which is similar to the one found in Old Pasadena on Colorado Boulevard. Anthony Clark Carpio, latimes.com, "No decision made on Olive-Verdugo-Sparks intersection project," 30 June 2018 The Fire accomplished just that, thanks to an in-form Katai, who made a diagonal run through the Seattle defense off Brandt Bronico's pass and converted from distance to put Chicago ahead only nine minutes in. Juan Pimiento, chicagotribune.com, "Missed chances cost Chicago Fire in their visit to Seattle," 23 June 2018 The away kit is all green with a diagonal slash of yellow and lighter green touches on the front, in tribute to Australia's 2006 jerseys . Leanne Italie, chicagotribune.com, "Nigeria's bright, trippy uniforms a hit among World Cup uniforms," 12 June 2018 Yves made this sleek black and white case with a diagonal cut. Recode Staff, Recode, "Full transcript: WSJ investigative journalist John Carreyrou on Recode Decode," 3 June 2018

Recent Examples on the Web: Noun

The mid-rise, named 24th and Camelback, diagonal from the upscale Biltmore Fashion Park, was purchased by New York Life Real Estate Investors. Catherine Reagor, azcentral, "Priciest office sale of the year: Phoenix office tower bought for $100M," 15 June 2018 Make thin, wide slices across the grain, and at a slight diagonal. Bryn Mooth, Cincinnati.com, "Cooking with gas: Up your outdoor cooking game just in time for summer," 14 June 2018 The walls are filled with propaganda posters, bold in both design — primary colors, strong diagonals — and message — lots of declarative phrases ending in exclamation points, for example. Charles Desmarais, San Francisco Chronicle, "Dressed to kill: War propaganda kimonos on view at the de Young," 11 May 2018 Among new safety and connectivity technology are seven- and 8-inch-diagonal MyLink infotainment systems designed to support Apple CarPlay and Android Auto, as well as the OnStar 4G LTE Wi-Fi hotspot. G. Chambers Williams Iii, Houston Chronicle, "Chevrolet Equinox turbo-diesel joins lineup," 19 May 2018 Whether vertical, horizontal, or diagonal, a classic look gets a cheery update. Marni Elyse Katz, BostonGlobe.com, "Put some pep in your spring look with multicolor stripes," 30 Mar. 2018 Some neat footwork by Luka Modric in midfield was followed up by a pinpoint diagonal ball to Marcelo's feet. CNN, "Real Madrid beat Bayern Munich to reach fourth Champions League final in five years," 1 May 2018 The almost immaculate pavement was cut by multiple jagged shadow-diagonals, and sometimes pierced by tall weeds. Aaron Gilbreath, Longreads, "As Innocuous as Plant No. 1," 10 Apr. 2018 There was a lack of pace, a lack of movement, to the point that for long spells its only attacking idea appeared to be long diagonals hit wide left to Leroy Sane. Jonathan Wilson, SI.com, "What Makes Jurgen Klopp's Teams Such a Threat to Pep Guardiola's?," 5 Apr. 2018

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.

See More

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

Keep scrolling for more

Learn More about diagonal

Phrases Related to diagonal

on a diagonal

Statistics for diagonal

Last Updated

28 Aug 2018

Look-up Popularity

Time Traveler for diagonal

The first known use of diagonal was in 1563

See more words from the same year

Keep scrolling for more

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 , -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

Keep scrolling for more

Comments on diagonal

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

WORD OF THE DAY

occurring twice a year or every two years

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!