quick as a flash
"quick-as-a-flash" is a 13-letter English headword indexed on PlainSpell.
The verdict
“quick as a flash” 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
- 16
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Extremely quick.
| Property | Value |
|---|---|
| Headword | quick as a flash |
| Language | English |
| Part of speech | Adjective |
| Letters | 16 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “quick as a flash” sits in English frequency
Spelling & Dictionary Insight
The English entry for quick as a flash is 16 letters long, classified as an adjective. 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: "Extremely quick.".
quick as a flash doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: In reference to the rapidity of flashes of lightning. The correct English form is quick as a flash, spelled Q-U-I-C-K- -A-S- -A- -F-L-A-S-H.
Definition
- 1Extremely quick.
Etymology
In reference to the rapidity of flashes of lightning.
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 "quick as a flash"?
What does "quick as a flash" mean?
What is the origin of the word "quick as a flash"?
Is PlainSpell free to use?
Using “quick as a flash”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is Q-U-I-C-K- -A-S- -A- -F-L-A-S-H - 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.