vacuity

/væˈkjuːɪtɪ/

//væˈkjuːɪtɪ// noun

"vacuity" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Emptiness.

Corpus desk

Index EN-vacuity · vacuity · English

vacuity · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 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 vacuity
PropertyValue
Headwordvacuity
LanguageEnglish
Part of speechNoun
IPA/væˈkjuːɪtɪ/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “vacuity” in English

vacuityfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

vacuity is uncommon English outside the top frequency list, classed as anoun, transcribed /væˈkjuːɪtɪ/. Rarity is why readers land here mid-draft. 4 senses are on record.

vacuity has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Latin vacuitās (“empty space, vacancy, vacuity”); equivalent to vacu(ous) + -ity. The correct English form is vacuity, spelled V-A-C-U-I-T-Y.

Definition

  1. 1
    Emptiness.
  2. 2
    Physical emptiness, an absence of matter; vacuum.
  3. 3
    Idleness; listlessness.
  4. 4
    An empty or inane remark or thing.

Recorded use

Wiktionary examples

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

  1. The meanes I use to suppresse this frenzy, and which seemeth the fittest for my purpose, is to crush, and trample this humane pride and fiercenesse under foot, to make them feele the emptinesse, vacuitie, and no worth of man[…].
  2. to find so sensible a breach or vacuity in the course of the passions, by means of this breach in the connexion of ideas[…].

Etymology

From Latin vacuitās (“empty space, vacancy, vacuity”); equivalent to vacu(ous) + -ity.

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 "vacuity"?
"vacuity" is spelled V-A-C-U-I-T-Y. The IPA pronunciation is /væˈkjuːɪtɪ/.
What does "vacuity" mean?
As a noun, "vacuity" means: Emptiness.
How do you pronounce "vacuity"?
The IPA (International Phonetic Alphabet) transcription for "vacuity" is /væˈkjuːɪtɪ/. 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 "vacuity"?
From Latin vacuitās (“empty space, vacancy, vacuity”); equivalent to vacu(ous) + -ity. 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