Standard Lemma guide

nonagonal

adj · 1 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.

  • UK: /nɒˈnæɡənəl/
  • US: /nɑˈnæɡənəl/
  • US: /noʊˈnæɡənəl/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -æɡənəl

1

adj

Meaning 1

Having nine sides and nine angles.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From nonagon + -al.

Across languages

Translations

8 source translations are retained for this English entry.

  • Bengali: নবভুজাকৃতি (nobbhujakriti) — having nine sides and nine angles
  • Catalan: enneagonal — having nine sides and nine angles
  • Finnish: yhdeksänkulmainen — having nine sides and nine angles
  • Georgian: ცხრაკუთხა (cxraḳutxa) — having nine sides and nine angles
  • Russian: девятиугольный (devjatiugolʹnyj) — having nine sides and nine angles
  • Spanish: eneágono — having nine sides and nine angles
  • Spanish: nonagonal — having nine sides and nine angles
  • Tagalog: samsihain — having nine sides and nine angles