turn on
"turn-on" is a 6-letter English headword indexed on PlainSpell.
The verdict
“turn on” is outside the top-ranked English vocabulary, used as a verb - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 7
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To set a flow of fluid or gas running by rotating a tap or valve.
| Property | Value |
|---|---|
| Headword | turn on |
| Language | English |
| Part of speech | Verb |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “turn on” sits in English frequency
Spelling & Dictionary Insight
The English entry for turn on is 7 letters long, classified as a verb. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 11 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for turn on in our index, typically a sign the spelling maps closely to how the word sounds. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.
Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is turn on, spelled T-U-R-N- -O-N.
Definition
- 1To set a flow of fluid or gas running by rotating a tap or valve.
- 2To power up, to put into operation, to start, to activate (an appliance, light, mechanism, functionality etc.).
- 3To start operating; to power up, to become on.
- 4To introduce (someone to something), and especially to fill them with enthusiasm (about it); to intoxicate, give pleasure to ( + to an object of interest or excitement).
- 5To sexually arouse.
- 6To take drugs.
- 7To cause to take up drugs, especially hallucinogens.
- 8To aim at.
- 9To rebel against; to suddenly attack.
- 10To cause (someone) to rebel against or suddenly attack (someone else).
- 11To depend upon; to pivot around, to have as a central subject.
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.
Frequently Asked Questions
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Using “turn on”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is T-U-R-N- -O-N - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.