vigesimal

/vɪˈd͡ʒɛsɪm(ə)l/

//vɪˈd͡ʒɛsɪm(ə)l// adj

"vigesimal" is a 9-letter English headword indexed on PlainSpell.

The verdict

“vigesimal” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Occurring in intervals of twenty.

Corpus desk

Index EN-vigesimal · vigesimal · English

vigesimal · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "V" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for vigesimal
PropertyValue
Headwordvigesimal
LanguageEnglish
Part of speechAdjective
IPA/vɪˈd͡ʒɛsɪm(ə)l/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “vigesimal” in English

vigesimalsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

vigesimal is uncommon English outside the top frequency list, classed as anadjective, transcribed /vɪˈd͡ʒɛsɪm(ə)l/. Rarity is why readers land here mid-draft. 2 senses are on record.

vigesimal has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Latin vīgēsimus (“twentieth”), variant of Latin vīcēsimus (“twentieth”), from Latin vīgintī (“twenty”), (from *vīcēnssos, from Proto-Indo-European *wi(h₁)ḱm̥ttós, with the -imus ending of decimus (“tenth”)) + -al (suffix forming an adjective). Compare … The correct English form is vigesimal, spelled V-I-G-E-S-I-M-A-L.

Definition

  1. 1
    Occurring in intervals of twenty.
  2. 2
    To the base twenty.

Recorded use

Wiktionary examples

These source excerpts show how vigesimal appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. For indeed, looking at the activity of the historic Pen and Press through this last half-century, and what bulk of History it yields for that period alone, and how it is henceforth like to increase in decimal or vigesimal geometric progression,—one might feel as if a day were not distant, when perceiving that the whole Earth would not now contain those wr…
  2. To go on by hands and feet to 20, and thence to reckon by twenties, is a vigesimal notation. Now though in the larger proportion of known languages, no distinct mention of fingers and toes, hands and feet, is observable in the numerals themselves, yet the very schemes of quinary, decimal and vigesimal notation remain to vouch for such hand-and-foot counti…

Etymology

From Latin vīgēsimus (“twentieth”), variant of Latin vīcēsimus (“twentieth”), from Latin vīgintī (“twenty”), (from *vīcēnssos, from Proto-Indo-European *wi(h₁)ḱm̥ttós, with the -imus ending of decimus (“tenth”)) + -al (suffix forming an adjective). Compare Latin vīgintī (“twenty”), from Proto-Indo-European *h₁wih₁ḱm̥ti, from *dwi(h₁)dḱm̥ti(h₁), *dwi(h₁)dḱm̥ti (“two tens; two decades”).

Synonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "vigesimal"?
"vigesimal" is spelled V-I-G-E-S-I-M-A-L. The IPA pronunciation is /vɪˈd͡ʒɛsɪm(ə)l/.
What does "vigesimal" mean?
As an adjective, "vigesimal" means: Occurring in intervals of twenty.
How do you pronounce "vigesimal"?
The IPA (International Phonetic Alphabet) transcription for "vigesimal" is /vɪˈd͡ʒɛsɪm(ə)l/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "vigesimal"?
From Latin vīgēsimus (“twentieth”), variant of Latin vīcēsimus (“twentieth”), from Latin vīgintī (“twenty”), (from *vīcēnssos, from Proto-Indo-European *wi(h₁)ḱm̥ttós, with the -imus ending of decimus (“tenth”)) + -al (suffix forming an adjective)... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list