1 perpendicular | Definition of perpendicular

perpendicular

adjective
per·​pen·​dic·​u·​lar | \ ËŒpÉ™r-pÉ™n-ˈdi-kyÉ™-lÉ™r How to pronounce perpendicular (audio) \

Definition of perpendicular

 (Entry 1 of 2)

1a : standing at right angles to the plane of the horizon : exactly upright
b : being at right angles to a given line or plane
2 : extremely steep : precipitous
3 often capitalized : of or relating to a medieval English Gothic style of architecture in which vertical lines predominate
4 : relating to, uniting, or consisting of individuals of dissimilar type or on different levels

perpendicular

noun

Definition of perpendicular (Entry 2 of 2)

: a line at right angles to a line or plane (as of the horizon)

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Other Words from perpendicular

Adjective

perpendicularity \ ËŒpÉ™r-​pÉ™n-​ËŒdi-​kyÉ™-​ˈler-​É™-​tÄ“ How to pronounce perpendicularity (audio) , -​ˈla-​rÉ™-​ \ noun
perpendicularly \ ËŒpÉ™r-​pÉ™n-​ˈdi-​kyÉ™-​lÉ™r-​lÄ“ How to pronounce perpendicularly (audio) \ adverb

Synonyms & Antonyms for perpendicular

Synonyms: Adjective

erect, plumb, raised, stand-up, standing, upright, upstanding, vertical

Antonyms: Adjective

flat, recumbent

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Choose the Right Synonym for perpendicular

Adjective

vertical, perpendicular, plumb mean being at right angles to a base line. vertical suggests a line or direction rising straight upward toward a zenith. the side of the cliff is almost vertical perpendicular may stress the straightness of a line making a right angle with any other line, not necessarily a horizontal one. the parallel bars are perpendicular to the support posts plumb stresses an exact verticality determined (as with a plumb line) by earth's gravity. make sure that the wall is plumb

Examples of perpendicular in a Sentence

Adjective

She lives on the street that is perpendicular to mine. river rafters staring awestruck at the canyon's nearly perpendicular cliffs

Recent Examples on the Web: Adjective

Directional drilling allowed developers to reach the shale, then turn the drill bit axis from perpendicular to longitudinal and lay pipes for a mile, sometimes two, through the thick shale seams. Keith Schneider, ProPublica, "West Virginia Bets Big on Plastics, and on Backing of Trump Administration," 31 July 2019 Remain calm and swim parallel to the shoreline, which is perpendicular to the current. Elinor Aspegren, USA TODAY, "A rip current at the beach can be deadly, but experts say you can escape by doing this," 19 June 2019 The runway the pilot chose runs perpendicular to the others. Zaz Hollander, Anchorage Daily News, "NTSB: Plane in fiery Bethel crash failed first landing try, then stalled after controller’s ‘urgent’ command," 29 July 2019 The hotel building would be positioned on the north end of the 4.8-acre site, perpendicular to Port Washington Road, according to a concept plan submitted to the city. Jeff Rumage, Milwaukee Journal Sentinel, "A four-story Home2 Suites by Hilton hotel might come to Mequon," 19 July 2019 Lay sheets of foil in pan perpendicular to one another, with extra foil hanging over edges of pan. Washington Post, "Get that sticky rice crispy chew that kids and adults love," 15 July 2019 The bridge runs perpendicular to the I-205 multi-use path, a place like many in Portland these days where homeless campers and trash are common sights. oregonlive.com, "Art project on I-205 pedestrian bridge caught in bureaucratic limbo is spared ‘restoration’," 10 July 2019 Stand perpendicular to the machine in an athletic position, with the handle against your torso. K. Aleisha Fetters, Outside Online, "The Beginner's Guide to Weight Lifting," 19 June 2019 Simply shove the seat/carrier through the door the easy way—perpendicular to the opening—and lock it into its base; the parent then can swivel the seat 90 degrees to face backward or forward, as their child's age dictates. Alexander Stoklosa, Car and Driver, "Mercedes-Benz's Car Seat Prototype Will Make Children Safer," 21 May 2019

Recent Examples on the Web: Noun

Photos from the scene showed the plane perpendicular to highway lanes about 75 miles south of San Francisco. CBS News, "Plane lands on California highway median; no injuries reported," 18 Feb. 2018 Photos from the scene showed the plane perpendicular to highway lanes about 75 miles south of San Francisco. CBS News, "Plane lands on California highway median; no injuries reported," 18 Feb. 2018

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

Adjective

14th century, in the meaning defined at sense 1a

Noun

1551, in the meaning defined above

History and Etymology for perpendicular

Adjective

Middle English perpendiculer, from Middle French, from Latin perpendicularis, from perpendiculum plumb line, from per- + pendēre to hang — more at pendant

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More Definitions for perpendicular

perpendicular

adjective

English Language Learners Definition of perpendicular

: going straight up or to the side at a 90 degree angle from another line or surface

perpendicular

adjective
per·​pen·​dic·​u·​lar | \ ËŒpÉ™r-pÉ™n-ˈdi-kyÉ™-lÉ™r How to pronounce perpendicular (audio) \

Kids Definition of perpendicular

 (Entry 1 of 2)

1 : exactly vertical
2 : being at right angles to a line or surface The letter T is made with two perpendicular lines.

Other Words from perpendicular

perpendicularly adverb

perpendicular

noun