supervacuous
/supəˈvækjʊəs/
"supervacuous" is a 12-letter English headword indexed on PlainSpell.
The verdict
“supervacuous” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - superfluous, more than needed
| Property | Value |
|---|---|
| Headword | supervacuous |
| Language | English |
| Part of speech | Adjective |
| IPA | /supəˈvækjʊəs/ |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “supervacuous” sits in English frequency
Spelling & Dictionary Insight
The English entry for supervacuous is 12 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /supəˈvækjʊəs/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "superfluous, more than needed".
supervacuous has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From Latin supervacuus (“more than needed”), from super (“above”) + vacuus (“vacant”), equivalent to super- + vacuous. The correct English form is supervacuous, spelled S-U-P-E-R-V-A-C-U-O-U-S.
Definition
- 1superfluous, more than needed
Etymology
From Latin supervacuus (“more than needed”), from super (“above”) + vacuus (“vacant”), equivalent to super- + vacuous.
Synonyms
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
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Using “supervacuous”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-U-P-E-R-V-A-C-U-O-U-S - every other letter order is a misspelling in standard orthography.
- Say it as /supəˈvækjʊəs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.