deep down
"deep-down" is a 8-letter English headword indexed on PlainSpell.
The verdict
“deep down” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fundamentally; in essence; in reality
Corpus desk
Index EN-deep-down · deep down · English
deep down · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-3 3 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 | deep down |
| Language | English |
| Part of speech | Adverb |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “deep down” in English
Rare enough to double-check
deep down is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "Fundamentally; in essence; in reality".
We couldn't generate a plausible misspelling set for deep down, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.
No borrowing history is documented for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is deep down, spelled D-E-E-P- -D-O-W-N.
Definition
- 1Fundamentally; in essence; in reality
Recorded use
Wiktionary exampleThese source excerpts show how deep down appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
He seems like an average businessman, but deep down he's an overgrown kid with a necktie.
Synonyms
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.