square bracket
"square-bracket" is a 13-letter English headword indexed on PlainSpell.
The verdict
“square bracket” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 14
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Either of a pair of symbols, [ ], used for various purposes, e.g. to enclose text inserted or replaced by an editor, and to indicate various mathematical operations.
Corpus desk
Index EN-square-bracket · square bracket · English
square bracket · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 14 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "S" 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.
| Property | Value |
|---|---|
| Headword | square bracket |
| Language | English |
| Part of speech | Noun |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “square bracket” in English
Rare enough to double-check
square bracket is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Either of a pair of symbols, [ ], used for various purposes, e.g. to enclose text inserted or replaced by an editor, and to indicate various mathematical operations.".
We couldn't generate a plausible misspelling set for square bracket, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
No borrowing history is documented for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is square bracket, spelled S-Q-U-A-R-E- -B-R-A-C-K-E-T.
Definition
- 1Either of a pair of symbols, [ ], used for various purposes, e.g. to enclose text inserted or replaced by an editor, and to indicate various mathematical operations.
Recorded use
Wiktionary exampleThese source excerpts show how square bracket appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
We must, in short, employ a special bracket for operative relations ; and the square bracket is the most convenient. Hence [a + bβ] x denotes that a + bβ operates on x, and [φ]ⁿ denotes that φ operates on itself n - 1 times.
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.