day in, day out
"day-in-day-out" is a 11-letter English headword indexed on PlainSpell.
The verdict
“day in, day out” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 15
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Every day; daily; constantly or continuously (especially, of something that has become routine or monotonous).
Corpus desk
Index EN-day-in-day-out · day in, day out · English
day in, day out · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 15 letters
- VOW-7 7 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "D" 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 | day in, day out |
| Language | English |
| Part of speech | Adverb |
| Letters | 15 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “day in, day out” in English
Rare enough to double-check
day in, day out is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "Every day; daily; constantly or continuously (especially, of something that has become routine or monotonous).".
No generated misspelling entries exist for day in, day out in our index, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Our source data has no etymology on file for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is day in, day out, spelled D-A-Y- -I-N-,- -D-A-Y- -O-U-T.
Definition
- 1Every day; daily; constantly or continuously (especially, of something that has become routine or monotonous).
Recorded use
Wiktionary examplesThese source excerpts show how day in, day out appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Even if you like peanut butter sandwiches, eating the same sandwiches day in, day out will get old.
There were derailments happening day in and day out, due in part to 'shunting mishaps' but more frequently involving wagons in freight trains due to a combination of poor track and speed.
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.