turn upside down
"turn-upside-down" is a 14-letter English headword indexed on PlainSpell.
The verdict
“turn upside down” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 16
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To flip over; to rotate top to bottom.
Corpus desk
Index EN-turn-upside-down · turn upside down · English
turn upside down · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 16 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "T" 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 | turn upside down |
| Language | English |
| Part of speech | Verb |
| Letters | 16 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “turn upside down” in English
Rare enough to double-check
turn upside down is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 3 senses are on record.
Our edit-distance generator produced no likely misspellings for turn upside down, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
No explicit etymology string is stored for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is turn upside down, spelled T-U-R-N- -U-P-S-I-D-E- -D-O-W-N.
Definition
- 1To flip over; to rotate top to bottom.
- 2To thoroughly examine.
- 3To alter (something) significantly, often in a negative way.
Recorded use
Wiktionary examplesThese source excerpts show how turn upside down appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Turn the box upside down and look at the bottom.
They turned the house upside down looking for the car keys.
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.