Standard Lemma guide

perpendicular

adj · noun · 14 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˌpɜː.pənˈdɪk.jə.lə(ɹ)/
  • Received-Pronunciation: pû"pəndĭ'kyələ r
  • Canada, General-American: /ˌpɝ.pənˈdɪk.ju.lɚ/
  • Canada, General-American: /ˌpɝ.pənˈdɪk.jə.lɚ/
  • US: Recorded audio is listed in the source snapshot.
  • Australian: /ˌpɜː.pənˈdɪk.jə.lə(ɹ)/
  • New-Zealand: /ˌpøː.pənˈdək.jə.lə(ɹ)/
  • rhymes with -ɪkjʊlə(ɹ)
  • CMU ARPABET: P ER2 P AH0 N D IH1 K Y AH0 L ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

At or forming a right angle (to something).

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

Examples

  • In most houses, the walls are perpendicular to the floor.

Meaning relationships

Synonyms: normal, orthogonal

Antonyms: none provided

2

adj

Meaning 2

Exactly upright; extending in a straight line toward the centre of the earth, etc.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Independent of or irrelevant to each other; orthogonal.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Of a style of English Gothic architecture from the fourteenth and fifteenth centuries, marked by stiff and rectilinear lines, mostly vertical window-tracery, depressed or four-centre arch, fan-tracery vaulting, and panelled walls.

Definition source: English Wiktionary via Wiktextract

Topics: architecture

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A line or plane that is perpendicular to another.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

A device such as a plumb line that is used in making or marking a perpendicular line.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A meal eaten at a tavern bar while standing up.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

adjective

Meaning 8

at right angles to the plane of the horizon or a base line

Definition source: Princeton WordNet 3.0

Examples

  • a vertical camera angle
  • the monument consists of two vertical pillars supporting a horizontal slab
  • measure the perpendicular height

Meaning relationships

Synonyms: vertical

Antonyms: none provided

9

adjective

Meaning 9

intersecting at or forming right angles

Definition source: Princeton WordNet 3.0

Examples

  • the axes are perpendicular to each other

Meaning relationships

Synonyms: none provided

Antonyms: parallel, oblique

10

adjective satellite

Meaning 10

extremely steep

Definition source: Princeton WordNet 3.0

Examples

  • the great perpendicular face of the cliff

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

an extremely steep face

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: face

12

noun

Meaning 12

a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: plumb line

Antonyms: none provided

Broader terms: cord

Narrower terms: lead line, sounding line, plumb rule

13

noun

Meaning 13

a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: perpendicular style, English-Gothic, English-Gothic architecture

Antonyms: none provided

Broader terms: Gothic, Gothic architecture

Narrower terms: Tudor architecture

14

noun

Meaning 14

a straight line at right angles to another line

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: straight line

History

Etymology

Derived from Middle French perpendiculaire, from Old French perpendiculer, from Latin perpendiculum (“plumb line”).

Across languages

Translations

93 source translations are retained for this English entry.

  • Arabic: عَمُودِيّ (ʕamūdiyy) — at or forming a right angle to
  • Arabic: رَأْسِيّ (raʔsiyy) — at or forming a right angle to
  • Armenian: ուղղահայաց (uġġahayacʻ) — at or forming a right angle to
  • Belarusian: перпендыкуля́рны (pjerpjendykuljárny) — at or forming a right angle to
  • Bulgarian: перпендикуля́рен (perpendikuljáren) — at or forming a right angle to
  • Catalan: perpendicular — at or forming a right angle to
  • Chinese Mandarin: 垂直 (chuízhí) — at or forming a right angle to
  • Czech: kolmý — at or forming a right angle to
  • Danish: vinkelret — at or forming a right angle to
  • Dutch: loodrecht — at or forming a right angle to
  • Dutch: haaks — at or forming a right angle to
  • Dutch: perpendiculair — at or forming a right angle to
  • Esperanto: perpendikulara — at or forming a right angle to
  • Estonian: risti — at or forming a right angle to
  • Finnish: kohtisuora — at or forming a right angle to
  • Finnish: kohtisuorassa — at or forming a right angle to
  • Finnish: pystysuorassa — at or forming a right angle to
  • French: perpendiculaire — at or forming a right angle to
  • West-Frisian: leadrjocht — at or forming a right angle to
  • Galician: perpendicular — at or forming a right angle to
  • Georgian: პერპენდიკულარული (ṗerṗendiḳularuli) — at or forming a right angle to
  • Georgian: მართობი (martobi) — at or forming a right angle to
  • German: rechtwinklig — at or forming a right angle to
  • German: lotrecht — at or forming a right angle to
  • German: senkrecht — at or forming a right angle to
  • German: perpendikular — at or forming a right angle to
  • German: perpendikulär — at or forming a right angle to
  • Greek: κάθετος (káthetos) — at or forming a right angle to
  • Hebrew: מאונך \ מְאֻנָךְ (meunákh) — at or forming a right angle to
  • Hebrew: ניצב \ נִצָּב (nitsáv) — at or forming a right angle to
  • Hungarian: merőleges — at or forming a right angle to
  • Indonesian: tegak lurus — at or forming a right angle to
  • Italian: perpendicolare — at or forming a right angle to
  • Japanese: 垂直の (suichoku no) — at or forming a right angle to
  • Japanese: 縦の (tate no) — at or forming a right angle to
  • Japanese: 直立の (chokuritsu no) — at or forming a right angle to
  • Kazakh: перпендикуляр (perpendikulär) — at or forming a right angle to
  • Korean: 수직의 (sujigui) — at or forming a right angle to
  • Latin: perpendiculāris — at or forming a right angle to
  • Latvian: perpendikulārs — at or forming a right angle to
  • Malay: serenjang — at or forming a right angle to
  • Māori: hāngai — at or forming a right angle to
  • Norwegian Bokmål: loddrett — at or forming a right angle to
  • Norwegian Nynorsk: loddrett — at or forming a right angle to
  • Persian: عمودی ('amudi) — at or forming a right angle to
  • Polish: prostopadły — at or forming a right angle to
  • Portuguese: perpendicular — at or forming a right angle to
  • Romanian: perpendicular — at or forming a right angle to
  • Russian: перпендикуля́рный (perpendikuljárnyj) — at or forming a right angle to
  • Sanskrit: लम्ब (lamba) — at or forming a right angle to
  • Slovak: kolmý — at or forming a right angle to
  • Spanish: perpendicular — at or forming a right angle to
  • Swedish: vinkelrät — at or forming a right angle to
  • Tagalog: tadlong — at or forming a right angle to
  • Thai: ตั้งฉาก (táng-chàak) — at or forming a right angle to
  • Turkish: dik — at or forming a right angle to
  • Ukrainian: перпендикуля́рний (perpendykuljárnyj) — at or forming a right angle to
  • Ukrainian: простопа́дний (prostopádnyj) — at or forming a right angle to
  • Welsh: perpendiciwlar — at or forming a right angle to
  • Bulgarian: перпендикуляр (perpendikuljar) — line or plane
  • Catalan: perpendicular — line or plane
  • Chinese Mandarin: 垂綫 /垂线 (chuíxiàn) — line or plane
  • Chinese Mandarin: 垂面 — line or plane
  • Czech: kolmice — line or plane
  • Dutch: loodlijn — line or plane
  • Finnish: kohtisuora — line or plane
  • French: perpendiculaire — line or plane
  • West-Frisian: leadline — line or plane
  • Georgian: პერპენდიკულარი (ṗerṗendiḳulari) — line or plane
  • Georgian: მართობი (martobi) — line or plane
  • German: Lotrechte — line or plane
  • German: Senkrechte — line or plane
  • Hebrew: מאונך \ מְאֻנָךְ (meunákh) — line or plane
  • Hebrew: ניצב \ נִצָּב (nitsáv) — line or plane
  • Hindi: लंब (lamb) — line or plane
  • Hindi: अभिलंब (abhilamb) — line or plane
  • Hungarian: merőleges — line or plane
  • Navajo: kʼéhézdongo ahidiiʼá — line or plane
  • Polish: prostopadła — line or plane
  • Portuguese: perpendicular — line or plane
  • Romanian: perpendiculară — line or plane
  • Russian: перпендикуля́р (perpendikuljár) — line or plane
  • Swedish: normal — line or plane
  • Thai: เส้นตั้งฉาก (séen-táng-chàak) — line or plane
  • Turkish: dik — line or plane
  • Ukrainian: простопа́д (prostopád) — line or plane
  • Bulgarian: отвес (otves) — device
  • Dutch: schietlood — device
  • Finnish: luotilanka — device
  • Finnish: luoti — device
  • French: fil à plomb — device
  • German: Bleilot — device
  • German: Senkblei — device
Real reading context

perpendicular in complete knowledge articles