turn on

verb

"turn-on" is a 6-letter English headword indexed on PlainSpell.

The verdict

“turn on” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To set a flow of fluid or gas running by rotating a tap or valve.

Corpus desk

Index EN-turn-on · turn on · English

turn on · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 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.

Key facts for turn on
PropertyValue
Headwordturn on
LanguageEnglish
Part of speechVerb
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “turn on” in English

turn onranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

turn on is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 11 senses are on record.

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

  1. 1
    To set a flow of fluid or gas running by rotating a tap or valve.
  2. 2
    To power up, to put into operation, to start, to activate (an appliance, light, mechanism, functionality etc.).
  3. 3
    To start operating; to power up, to become on.
  4. 4
    To 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).
  5. 5
    To sexually arouse.
  6. 6
    To take drugs.
  7. 7
    To cause to take up drugs, especially hallucinogens.
  8. 8
    To aim at.
  9. 9
    To rebel against; to suddenly attack.
  10. 10
    To cause (someone) to rebel against or suddenly attack (someone else).
  11. 11
    To depend upon; to pivot around, to have as a central subject.

Recorded use

Wiktionary examples

These source excerpts show how turn on appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Turn on the tap/faucet.
  2. Please turn the lights on so I can see what I'm reading.

Synonyms

Antonyms

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

How do you spell "turn on"?
"turn on" is spelled T-U-R-N- -O-N.
What does "turn on" mean?
As a verb, "turn on" means: To set a flow of fluid or gas running by rotating a tap or valve.
What language does "turn on" come from?
"turn on" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list