instantaneity
"instantaneity" is a 13-letter English headword indexed on PlainSpell.
The verdict
“instantaneity” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The condition of being instantaneous.
| Property | Value |
|---|---|
| Headword | instantaneity |
| Language | English |
| Part of speech | Noun |
| Letters | 13 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “instantaneity” sits in English frequency
Rare enough to double-check
instantaneity is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The condition of being instantaneous.".
instantaneity doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From instantaneous + -ity. By surface analysis, instant + -aneity. The correct English form is instantaneity, spelled I-N-S-T-A-N-T-A-N-E-I-T-Y.
Definition
- 1The condition of being instantaneous.
Etymology
From instantaneous + -ity. By surface analysis, instant + -aneity.
Antonyms
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 "instantaneity"?
What does "instantaneity" mean?
What is the origin of the word "instantaneity"?
Is PlainSpell free to use?
Using “instantaneity”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-S-T-A-N-T-A-N-E-I-T-Y - every other letter order is a misspelling in standard orthography.
- 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.