adj · 6 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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UK:/tɹaɪˈæŋ.ɡjə.lə/
UK:/tɹaɪˈæŋ.ɡjʊ.lə/
US:/tɹaɪˈæŋ.ɡjə.lɚ/
US:/tɹaɪˈaɪŋ.ɡjʊ.lɚ/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:T R AY0 AE1 NG G Y AH0 L ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Shaped like a triangle.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Of, or pertaining to, triangles.
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
Having a triangle as a base; as, a triangular prism, a triangular pyramid.
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
Having three elements or parties; trilateral, tripartite.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
adjective satellite
Meaning 5
having three sides
Definition source: Princeton WordNet 3.0
Examples
a trilateral figure
Meaning relationships
Synonyms: trilateral, three-sided
Antonyms: none provided
6
adjective satellite
Meaning 6
having three angles; forming or shaped like a triangle
Definition source: Princeton WordNet 3.0
Examples
a triangular figure
a triangular pyrimid has a triangle for a base
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Middle English triangulare, trianguler, triangulere, from Old French triangulaire, triangulier and Latin triangulāris. By surface analysis, tri- + -angular.
Across languages
Translations
68 source translations are retained for this English entry.
Arabic:
مُثَلَّث
(muṯallaṯ)
— shaped like a triangle
Belarusian:
трохвуго́льны
(troxvuhólʹny)
— shaped like a triangle
Belarusian:
трыку́тны
(trykútny)
— shaped like a triangle
Bengali:
ত্রিভুজাকৃতি
(tribhujakriti)
— shaped like a triangle
Breton:
tric'hornek
— shaped like a triangle
Bulgarian:
триъгълен
(triǎgǎlen)
— shaped like a triangle
Czech:
trojúhelníkový
— shaped like a triangle
Czech:
trojúhelníkovitý
— shaped like a triangle
Danish:
trekantet
— shaped like a triangle
Dutch:
driehoekig
— shaped like a triangle
Esperanto:
triangula
— shaped like a triangle
Finnish:
kolmikulmainen
— shaped like a triangle
Finnish:
kolmiomainen
— shaped like a triangle
French:
triangulaire
— shaped like a triangle
Galician:
triangular
— shaped like a triangle
Georgian:
სამკუთხა
(samḳutxa)
— shaped like a triangle
German:
dreieckig
— shaped like a triangle
Ancient Greek:
τρίγωνος
(trígōnos)
— shaped like a triangle
Hungarian:
háromszögletű
— shaped like a triangle
Hungarian:
háromszög alakú
— shaped like a triangle
Hungarian:
háromszögű
— shaped like a triangle
Irish:
triantánach
— shaped like a triangle
Italian:
triangolare
— shaped like a triangle
Latin:
triangulus
— shaped like a triangle
Manx:
tree-uillinagh
— shaped like a triangle
Manx:
tree corneilagh
— shaped like a triangle
Māori:
tapatoru
— shaped like a triangle
Norwegian Bokmål:
trekantet
— shaped like a triangle
Norwegian Bokmål:
trekanta
— shaped like a triangle
Norwegian Bokmål:
triangulær
— shaped like a triangle
Norwegian Nynorsk:
trekanta
— shaped like a triangle
Norwegian Nynorsk:
triangulær
— shaped like a triangle
Polish:
trójkątny
— shaped like a triangle
Portuguese:
triangular
— shaped like a triangle
Russian:
треуго́льный
(treugólʹnyj)
— shaped like a triangle
Scottish Gaelic:
triantanach
— shaped like a triangle
Spanish:
triangular
— shaped like a triangle
Swedish:
triangulär
— shaped like a triangle
Swedish:
trekantig
— shaped like a triangle
Tagalog:
tatsihain
— shaped like a triangle
Ukrainian:
трику́тний
(trykútnyj)
— shaped like a triangle
Uzbek:
uchburchak
— shaped like a triangle
Yiddish:
דרײַעקיק
(drayekik)
— shaped like a triangle
Yiddish:
דרײַקאַנטיק
(draykantik)
— shaped like a triangle
Bulgarian:
триъгълен
(triǎgǎlen)
— of or pertaining to triangles
Czech:
trojúhelníkový
— of or pertaining to triangles
Dutch:
driehoeks-
— of or pertaining to triangles
Esperanto:
triangula
— of or pertaining to triangles
Finnish:
kolmio-
— of or pertaining to triangles
Finnish:
kolmiomainen
— of or pertaining to triangles
German:
dreiecks-
— of or pertaining to triangles
Irish:
triantánach
— of or pertaining to triangles
Māori:
tapatoru
— of or pertaining to triangles
Polish:
trójkątowy
— of or pertaining to triangles
Portuguese:
triangular
— of or pertaining to triangles
Russian:
треуго́льный
(treugólʹnyj)
— of or pertaining to triangles
Scottish Gaelic:
triantanach
— of or pertaining to triangles
Spanish:
triangular
— of or pertaining to triangles
Tagalog:
tatsihain
— of or pertaining to triangles
Finnish:
kolmikulmainen
— having a triangle as a base
Finnish:
kolmiomainen
— having a triangle as a base
Hungarian:
háromszög alapú
— having a triangle as a base
Irish:
triantánach
— having a triangle as a base
Scottish Gaelic:
triantanach
— having a triangle as a base
Finnish:
kolmikantainen
— having three elements or parties
Hungarian:
háromoldalú
— having three elements or parties
Hungarian:
három résztvevős
— having three elements or parties
Hungarian:
háromrészes
— having three elements or parties