quick as lightning

adj

"quick-as-lightning" is a 16-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
18
letters

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

Corpus desk

Index EN-quick-as-lightning · quick as lightning · English

quick as lightning · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 18 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "Q" 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 quick as lightning
PropertyValue
Headwordquick as lightning
LanguageEnglish
Part of speechAdjective
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “quick as lightning” in English

quick as lightningfalls 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

quick as lightning is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Extremely quick.".

No generated misspelling entries exist for quick as lightning in our index, which points to an orthography that plays by predictable English rules. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: In allusion to the rapidity of flashes of lightning. The correct English form is quick as lightning, spelled Q-U-I-C-K- -A-S- -L-I-G-H-T-N-I-N-G.

Definition

  1. 1
    Extremely quick.

Etymology

In allusion 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 lightning"?
"quick as lightning" is spelled Q-U-I-C-K- -A-S- -L-I-G-H-T-N-I-N-G.
What does "quick as lightning" mean?
As an adjective, "quick as lightning" means: Extremely quick.
What is the origin of the word "quick as lightning"?
In allusion to the rapidity of flashes of lightning. 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