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
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Received-Pronunciation:/ˌpɜː.pənˈdɪk.jə.lə(ɹ)/
Received-Pronunciation:pû"pəndĭ'kyələr
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.