heptagonal

H4E1P3T1A1G2O1N1A1L1
/hɛpˈtæɡənəl/

adjective

Having seven angles and sides.

Similar
septagonal
Scrabble 16
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Meanings

adjectiveheptagonal (not comparable)
  1. not comparableHaving seven angles and sides.
  2. not comparablemathematicsBelonging to the sequence generated by the formula (5n²-3n)/2.

Synonyms & antonyms

Similar
septagonal
Also see
septagonalseptangularseptilateral

Origin

Since 16th century, from heptagon + -al.

Full word history & related roots →

Translations

Bengali সপ্তভুজাকৃতি
  • সপ্তভুজাকৃতি (śoptobhujakriti)Having seven angles and sides
Catalan heptagonal
  • heptagonalHaving seven angles and sides
Dutch zevenhoekig
  • zevenhoekigHaving seven angles and sides
Esperanto seplatera, sepangula
  • seplateraHaving seven angles and sides
  • sepangulaHaving seven angles and sides
Finnish seitsenkulmainen
  • seitsenkulmainenHaving seven angles and sides
French heptagone, heptagonal
  • heptagoneHaving seven angles and sides
  • heptagonalHaving seven angles and sides
German siebeneckig
  • siebeneckigHaving seven angles and sides
Greek επτάγωνος, εφτάγωνος
  • επτάγωνος (eptágonos)Having seven angles and sides
  • εφτάγωνος (eftágonos)Having seven angles and sides
Hebrew משובע, משובעת
  • משובע (meshubá)Having seven angles and sides
  • משובעתHaving seven angles and sides
Icelandic sjöhyrndur
  • sjöhyrndurHaving seven angles and sides
Italian ettagono, ettagonale
  • ettagonoHaving seven angles and sides
  • ettagonaleHaving seven angles and sides
Polish siedmiokątny
  • siedmiokątnyHaving seven angles and sides
Portuguese heptagonal, heptágono
  • heptagonalHaving seven angles and sides
  • heptágonoHaving seven angles and sides
Russian семиугольный
  • семиугольный (semiugolʹnyj)Having seven angles and sides
Scottish Gaelic seachd-shliosach
  • seachd-shliosachHaving seven angles and sides
Slovak sedemuholníkový
  • sedemuholníkovýHaving seven angles and sides
Spanish heptagonal, heptágono
  • heptagonalHaving seven angles and sides
  • heptágonoHaving seven angles and sides
Tagalog pitsihain
  • pitsihainHaving seven angles and sides
Ukrainian семику́тний
  • семику́тний (semykútnyj)Having seven angles and sides

Rhymes & wordplay

Rhymes with heptagonal

diagonalhexagonaloctagonaltetragonalpentagonaldecagonalnonagonalsexagonaltriagonal
All rhymes →

Anagrams

paleognath
Cite this entry
APA

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

MLA

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

Chicago

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

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