blast

/blɑːst/

//blɑːst// noun

"blast" is a 5-letter English headword indexed on PlainSpell.

The verdict

“blast” is a regularly-used English word, ranked #4,140 in English word frequency and used as a noun.

#4,140
frequency rank, English
5
letters
8
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A violent gust of wind (in windy weather) or apparent wind (around a moving vehicle).

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

blast vs BLS
0% similar
blast vs boat
60% similar
blast vs bust
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for blast
PropertyValue
Headwordblast
LanguageEnglish
Part of speechNoun
IPA/blɑːst/
Letters5
Frequency rank#4,140
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “blast” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). blast lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for blast is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /blɑːst/. Corpus data places it at rank #4,140 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 15 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 8 likely wrong-spelling variants for blast, with forms such as "balst", "bblast", and "blasst". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "BLS", "boat", "bust", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English blast, blest, from Old English blǣst (“blowing, blast”), from Proto-West Germanic *blāstu, from Proto-Germanic *blēstuz (“blowing, blast”). Cognate with West Frisian blast (“blast”), dialectal Dutch blast (“stubborn intent, drumming”), o… The correct English form is blast, spelled B-L-A-S-T.

Definition

  1. 1
    A violent gust of wind (in windy weather) or apparent wind (around a moving vehicle).
  2. 2
    A forcible stream of gas or liquid from an orifice, for example from a bellows, the tuyeres of a blast furnace, a person's mouth, etc.
  3. 3
    A hit of a recreational drug from a pipe.
  4. 4
    The continuous blowing to which one charge of ore or metal is subjected in a furnace.
  5. 5
    The exhaust steam from an engine, driving a column of air out of a boiler chimney, and thus creating an intense draught through the fire; also, any draught produced by the blast.
  6. 6
    An explosion, especially for the purpose of destroying a mass of rock, etc.
  7. 7
    A verbal attack or punishment; a severe criticism or reprimand.
  8. 8
    An explosive charge for blasting.
  9. 9
    A loud, sudden sound.
  10. 10
    Unwanted noise from a microphone.
  11. 11
    A sudden pernicious effect, as if by a noxious wind, especially on animals and plants; a blight.
  12. 12
    A good time; an enjoyable moment.
  13. 13
    A promotional message sent to an entire mailing list.
  14. 14
    A flatulent disease of sheep.
  15. 15
    A period of full dosage of PEDs as opposed to a period of reduced intake.

Etymology

From Middle English blast, blest, from Old English blǣst (“blowing, blast”), from Proto-West Germanic *blāstu, from Proto-Germanic *blēstuz (“blowing, blast”). Cognate with West Frisian blast (“blast”), dialectal Dutch blast (“stubborn intent, drumming”), obsolete German Blast (“wind, blowing”), German blasen (“to blow”), Dutch blazen (“to blow”), Danish blæst (“wind”), French blaser (“to blunt, dull”). More at blow.

This word in other languages

Common misspellings

Also misspelled as: balst,bblast,blasst,blastt,blats,bllast,blsat,lbast

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of blast - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

balst2bblast1blasst1blastt1blats2bllast1blsat2lbast2
Edit distance from "blast"

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 "blast"?
"blast" is spelled B-L-A-S-T. The IPA pronunciation is /blɑːst/.
What does "blast" mean?
As a noun, "blast" means: A violent gust of wind (in windy weather) or apparent wind (around a moving vehicle).
What words are commonly confused with "blast"?
"blast" is commonly confused with "BLS", "boat", "bust". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "blast"?
The IPA (International Phonetic Alphabet) transcription for "blast" is /blɑːst/. 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 "blast"?
From Middle English blast, blest, from Old English blǣst (“blowing, blast”), from Proto-West Germanic *blāstu, from Proto-Germanic *blēstuz (“blowing, blast”). Cognate with West Frisian blast (“blast”), dialectal Dutch blast (“stubborn intent, dru... 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.

Using “blast”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-L-A-S-T - every other letter order is a misspelling in standard orthography.
  • Say it as /blɑːst/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “BLS” - see the side-by-side comparison. blast vs BLS
  • 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list