unbounded
"unbounded" is a 9-letter English headword indexed on PlainSpell.
The verdict
“unbounded” is uncommon English (frequency #50,870 among 1,433 “U” headwords), classed as an adjective. The kind of spelling people second-guess.
- #50,870
- frequency rank, English
- 1,433
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having no boundaries or limits.
Corpus desk
Index EN-unbounded · unbounded · English
unbounded · rank #50,870 · 0 variants · 0 confusables
- FREQ-RARE #50,870
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,433
- PHOTO-FINISH unavailability
Nearest frequency peer: unavailability (-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.
Long-tail ranks near “unbounded”
Sparse band: bars invert rank so rarer forms read shorter
- unanimity
unanimity
49,134 corpus weight
- unassailable
unassailable
49,133 corpus weight
- unavailabil…
unavailability
49,132 corpus weight
- unbounded
unbounded
49,131 corpus weight
- unceremonio…
unceremoniously
49,130 corpus weight
- uncredited
uncredited
49,129 corpus weight
What this shows Long-tail view: where “unbounded” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | unbounded |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Frequency rank | #50,870 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “unbounded” in English
Rare enough to double-check
unbounded is uncommon English at frequency #50,870 among 1,433 “U” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Having no boundaries or limits.".
unbounded has no tracked misspelling variants, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From un- + bounded. The correct English form is unbounded, spelled U-N-B-O-U-N-D-E-D.
Definition
- 1Having no boundaries or limits.
Recorded use
Wiktionary examplesThese source excerpts show how unbounded appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The universe is finite but unbounded.
our everlasting, unbounded love
Etymology
From un- + bounded.
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "unbounded", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).