superfast

/ˈsupɚˌfæst/

//ˈsupɚˌfæst// adj

By · According to Wiktionary data (CC BY-SA) ·

"superfast" is a 9-letter English headword indexed on PlainSpell.

The verdict

“superfast” has 14 generated spelling variants in the English index at frequency #42,435. The variants make it a useful spelling check.

#42,435
frequency rank, English
6,566
“S” headwords
14
tracked misspellings

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

Corpus desk

Index EN-superfast · superfast · English

superfast · rank #42,435 · 14 variants · 0 confusables

  • FREQ-MID #42,435
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH supercharger

Nearest frequency peer: supercharger (-1 rank slots)

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.

Rank peers near misspelling magnet “superfast”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “superfast” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for superfast
PropertyValue
Headwordsuperfast
LanguageEnglish
Part of speechAdjective
IPA/ˈsupɚˌfæst/
Letters9
Frequency rank#42,435
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “superfast”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).superfastlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “supercharger” (#42,434), “supersport” (#42,436), “Sunnyvale” (#42,433). Among 6,566 “S” headwords, “superfast” is #42,435. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around superfast (IPA /ˈsupɚˌfæst/), anadjective. Corpus frequency is #42,435 among 6,566 “S” headwords. Dominant gloss: "Extremely fast.".

Our generated misspelling index lists 14 likely wrong-spelling variants for superfast, with forms such as "spuerfast", "ssuperfast", and "sueprfast". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From super- + fast. The correct English form is superfast, spelled S-U-P-E-R-F-A-S-T.

Definition

  1. 1
    Extremely fast.

Recorded use

Wiktionary example

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

  1. The plane's large rear doors swallowed up my friend in superfast time, its departure sandblasting everyone in red prop wash as it vaporised down the main street and into the afternoon's dust-bowl sky.

Etymology

From super- + fast.

Common misspellings

Also misspelled as:

  • spuerfast
  • ssuperfast
  • sueprfast
  • supefrast
  • superafst
  • superfasst
  • superfastt
  • superfats
  • superffast
  • superfsat
  • superrfast
  • supperfast
  • suprefast
  • usperfast

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of superfast - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

spuerfast2ssuperfast1sueprfast2supefrast2superafst2superfasst1superfastt1superfats2
Edit distance from "superfast"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "superfast"?
"superfast" is spelled S-U-P-E-R-F-A-S-T. The IPA pronunciation is /ˈsupɚˌfæst/.
What does "superfast" mean?
As an adjective, "superfast" means: Extremely fast.
What are common misspellings of "superfast"?
Common misspellings include "spuerfast", "ssuperfast", "sueprfast", "supefrast", "superafst". The correct spelling is "superfast".
How do you pronounce "superfast"?
The IPA (International Phonetic Alphabet) transcription for "superfast" is /ˈsupɚˌfæst/. 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 "superfast"?
From super- + fast. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "superfast", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Sunnyvale#42,433streaking#42,426staunchly#42,423threefold#42,449

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

torchwood14 variantsravishing14 variantspublically14 variantsPriestley14 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list