boundary
/ˈbaʊndɹi/
"boundary" is a 8-letter English headword indexed on PlainSpell.
The verdict
“boundary” is a regularly-used English word, ranked #5,763 in English word frequency and used as a noun.
- #5,763
- frequency rank, English
- 8
- letters
- 12
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The dividing line or location between two areas.
| Property | Value |
|---|---|
| Headword | boundary |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈbaʊndɹi/ |
| Letters | 8 |
| Frequency rank | #5,763 |
| Misspellings tracked | 12 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “boundary” sits in English frequency
Spelling & Dictionary Insight
The English entry for boundary is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈbaʊndɹi/. Corpus data places it at rank #5,763 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 12 likely wrong-spelling variants for boundary, with forms such as "bboundary", "bonudary", and "boudnary". 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. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From bound + -ary, Old French, from Latin. The correct English form is boundary, spelled B-O-U-N-D-A-R-Y.
Definition
- 1The dividing line or location between two areas.
- 2The bounds, confines, or limits between immaterial things (such as one’s comfort zone, privacy, or professional sphere and the realm beyond).
- 3An edge or line marking an edge of the playing field.
- 4An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (four) or 6 (six) runs respectively for the batting team.
- 5(of a set) The set of points in the closure of a set S, not belonging to the interior of that set.
- 6Commission paid by a bus or jeepney driver to a public transportation operator for taking passengers, or the excess collected fares taken as daily wage.
Etymology
From bound + -ary, Old French, from Latin.
This word in other languages
Common misspellings
Also misspelled as: bboundary,bonudary,boudnary,bounadry,boundarry,boundaryy,boundayr,bounddary,boundray,bounndary,buondary,obundary
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of boundary - 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.
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
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Using “boundary”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is B-O-U-N-D-A-R-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˈbaʊndɹi/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.