equiangular

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adjective

Of a polygon, having all interior angles equal. This is not necessarily a regular polygon, since that would also be equilateral; a rectangle is equiangular but not equilateral, unless it is a square.

Similar
angularangulate
OriginEnglish angular ← Latin aequi- ← Old Latin aiquos →
Scrabble 21
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Meanings

adjectiveequiangular (not comparable)

alternative archaic æquiangular · alternative equangular

  1. not comparablegeometryOf a polygon, having all interior angles equal. This is not necessarily a regular polygon, since that would also be equilateral; a rectangle is equiangular but not equilateral, unless it is a square.

Synonyms & antonyms

adjectivehaving all angles equal

Similar
angularangulate

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Italic*aikʷos?
  2. Old Latinaiquos
  3. Latinaequus
  4. Latinaequi-
  5. Englishequi-
  6. Englishangular
  7. Englishequiangular

From equi- + angular.

Full word history & related roots →

Translations

Bulgarian равноъ́гълен
  • равноъ́гълен (ravnoắgălen)geometry: having all internal angles equal
Catalan equiangular, equiangle
  • equiangulargeometry: having all internal angles equal
  • equianglegeometry: having all internal angles equal
Czech rovnoúhlý
  • rovnoúhlýgeometry: having all internal angles equal
Finnish tasakulmainen
  • tasakulmainengeometry: having all internal angles equal
French équiangle
  • équianglegeometry: having all internal angles equal
German gleichwinklig
  • gleichwinkliggeometry: having all internal angles equal
Greek ισογώνιος
  • ισογώνιος (isogónios)geometry: having all internal angles equal
Italian equiangolo
  • equiangologeometry: having all internal angles equal
Polish równokątny
  • równokątnygeometry: having all internal angles equal
Portuguese equiângulo
  • equiângulogeometry: having all internal angles equal
Romanian echiunghiular
  • echiunghiulargeometry: having all internal angles equal
Russian равноуго́льный
  • равноуго́льный (ravnougólʹnyj)geometry: having all internal angles equal
Slovak rovnouhlý
  • rovnouhlýgeometry: having all internal angles equal
Spanish equiángulo
  • equiángulogeometry: having all internal angles equal
Swedish likvinklig
  • likvinkliggeometry: having all internal angles equal
Tagalog parisiha
  • parisihageometry: having all internal angles equal
Ukrainian рівноку́тний
  • рівноку́тний (rivnokútnyj)geometry: having all internal angles equal
Cite this entry
APA

equiangular. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/equiangular

MLA

“equiangular.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/equiangular. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “equiangular,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/equiangular.

Source: equiangular on Wiktionary, CC BY-SA 4.0.