boiler suit

noun

"boiler-suit" is a 10-letter English headword indexed on PlainSpell.

The verdict

“boiler suit” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A one-piece suit combining trousers and jacket, worn for heavy or hot manual labour.

Corpus desk

Index EN-boiler-suit · boiler suit · English

boiler suit · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 boiler suit
PropertyValue
Headwordboiler suit
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “boiler suit” in English

boiler suitsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

boiler suit is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A one-piece suit combining trousers and jacket, worn for heavy or hot manual labour.".

We couldn't generate a plausible misspelling set for boiler suit, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From boiler + suit. The correct English form is boiler suit, spelled B-O-I-L-E-R- -S-U-I-T.

Definition

  1. 1
    A one-piece suit combining trousers and jacket, worn for heavy or hot manual labour.

Recorded use

Wiktionary examples

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

  1. Where Babcock has proprietary technologies, they will be preserved and developed, in so far as they help to give the company an edge over its rivals. But make no mistake, if Parker and Salmon have their way, boiler suits are the workwear of yesteryear at Babcock. Graduates, not grease-monkeys, are the typical employees of the future.
  2. The boiler suit was the kind with stud-fasteners rather than a zip.

Etymology

From boiler + suit.

Synonyms

This word in other languages

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 "boiler suit"?
"boiler suit" is spelled B-O-I-L-E-R- -S-U-I-T.
What does "boiler suit" mean?
As a noun, "boiler suit" means: A one-piece suit combining trousers and jacket, worn for heavy or hot manual labour.
What is the origin of the word "boiler suit"?
From boiler + suit. 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