run out on
"run-out-on" is a 8-letter English headword indexed on PlainSpell.
The verdict
“run out on” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To leave a partner or commitment suddenly and without prior warning.
Corpus desk
Index EN-run-out-on · run out on · English
run out on · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "R" 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 | run out on |
| Language | English |
| Part of speech | Verb |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “run out on” sits in English frequency
Rare enough to double-check
run out on is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for run out on, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is run out on, spelled R-U-N- -O-U-T- -O-N.
Definition
- 1To leave a partner or commitment suddenly and without prior warning.
- 2To leave a restaurant without paying the bill; to dine and dash.
Recorded use
Wiktionary examplesThese source excerpts show how run out on appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
No one could believe that John had run out on his wife and kids.
I saw him run out on the check at an Applebee's.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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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.