Word Pronunciation & Dictionary

heptagonal

/hɛpˈtæɡənəl/

Word Rarity Very rare

Frequency: Zipf frequency 1.21 in modern English

Syllables: hep-tag-o-nal
IPA: /hɛpˈtæɡənəl/

16

Scrabble Score

10

Letters

4

Syllables

9

Unique Chars

Meaning

adj

Having seven angles and sides.

adj

Belonging to the sequence generated by the formula (5n²-3n)/2.

Etymology

Since 16th century, from heptagon + -al.

Word Breakdown

Suffix: heptagon

Derived Forms

heptagonally

Frequently Paired Words

heptagon septangle septangular

Synonyms

septagonal

Rhymes With

diagonal hexagonal octagonal pentagonal tetragonal nonagonal decagonal triagonal

Questions

How do you pronounce heptagonal?: The recorded pronunciation is /hɛpˈtæɡənəl/.
What does heptagonal mean?: Having seven angles and sides.
Where does heptagonal come from?: Since 16th century, from heptagon + -al.

How to pronounce heptagonal

Open the pronunciation page — Open the Speakur entry for “heptagonal”.
Read the phonetic spelling — Read the IPA spelling (/hɛpˈtæɡənəl/) so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “heptagonal”.
Repeat and practice — Say “heptagonal” aloud, matching stress and vowels until it feels natural.