open one's big mouth
"open-one-s-big-mouth" is a 16-letter English headword indexed on PlainSpell.
The verdict
“open one's big mouth” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 20
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To speak about things rashly or foolishly, when it would be better to stay silent.
Corpus desk
Index EN-open-one-s-big-mouth · open one's big mouth · English
open one's big mouth · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 20 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "O" 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 | open one's big mouth |
| Language | English |
| Part of speech | Verb |
| Letters | 20 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “open one's big mouth” in English
Rare enough to double-check
open one's big mouth is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To speak about things rashly or foolishly, when it would be better to stay silent.".
Zero misspellings are on record for open one's big mouth in our index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.
Wiktionary doesn't record an etymology for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is open one's big mouth, spelled O-P-E-N- -O-N-E-'-S- -B-I-G- -M-O-U-T-H.
Definition
- 1To speak about things rashly or foolishly, when it would be better to stay silent.
Recorded use
Wiktionary exampleThese source excerpts show how open one's big mouth appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Grr, why do I always open my big mouth after doing something wrong?
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.