switch on

verb

To start or enable a device by turning a switch or a lever.

Meanings

verbswitch on (third-person singular simple present switches on, present participle switching on, simple past and past participle switched on)

present singular third person switches on · participle present switching on · participle past switched on · past switched on

  1. transitiveTo start or enable a device by turning a switch or a lever.

    “[…] Tell her I’ll be outside the house from eleven o’clock onwards. Tell her to leave the morning-room window open and to switch on the light in her bedroom when it’s safe for me to come in.”

    1926, Nevil Shute, chapter 1, in Marazan, London: Cassell

    Synonyms: start up, turn on · Antonyms: shut off, switch off, turn off

  2. idiomaticTo change one's expression or appearance as if by turning a switch.
  3. slangTo arouse, to excite (sexually).

    Synonyms: switch up, turn on · Antonyms: turn off

Synonyms & antonyms

verbTo start or enable a device by turning a switch or a lever.

verbTo arouse, to excite (sexually).

Opposite

More synonyms by meaning

verbcause to operate by flipping a switch

Similar
Opposite
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Basque piztu
  • piztuto turn a switch to the "on" position
Chinese Mandarin 打開 /打开, 開 /开
  • 打開 /打开 (dǎkāi)to turn a switch to the "on" position
  • 開 /开 (kāi)to turn a switch to the "on" position
Czech zapnout
  • zapnoutto turn a switch to the "on" position
Danish tænde, starte (op)
  • tændeto turn a switch to the "on" position
  • starte (op)to turn a switch to the "on" position
Dutch aanzetten, inschakelen
  • aanzettento turn a switch to the "on" position
  • inschakelento turn a switch to the "on" position
Esperanto enŝalti
  • enŝaltito turn a switch to the "on" position
Finnish kytkeä, käynnistää
  • kytkeäto turn a switch to the "on" position
  • käynnistääto turn a switch to the "on" position
  • sytyttääto turn a switch to the "on" position
French allumer
  • allumerto turn a switch to the "on" position
German anschalten, einschalten
  • anschaltento turn a switch to the "on" position
  • einschaltento turn a switch to the "on" position
Greek ανάβω
  • ανάβω (anávo)to turn a switch to the "on" position
Hungarian bekapcsol
  • bekapcsolto turn a switch to the "on" position
Italian accendere
  • accendereto turn a switch to the "on" position
Japanese 付ける
  • 付ける (tsukeru)to turn a switch to the "on" position
Korean 켜다
  • 켜다 (kyeoda)to turn a switch to the "on" position
Māori whakakā
  • whakakāto turn a switch to the "on" position
Polish włączać, włączyć
  • włączaćto turn a switch to the "on" position
  • włączyćto turn a switch to the "on" position
Portuguese ligar
  • ligarto turn a switch to the "on" position
Romanian aprinde
  • aprindeto turn a switch to the "on" position
Russian включа́ть, включи́ть
  • включа́ть (vključátʹ)to turn a switch to the "on" position
  • включи́ть (vključítʹ)to turn a switch to the "on" position
Scottish Gaelic cuir air
  • cuir airto turn a switch to the "on" position
Spanish encender, prender
  • encenderto turn a switch to the "on" position
  • prenderto turn a switch to the "on" position
Swedish sätta på
  • sätta påto turn a switch to the "on" position
Turkish (lambayı, ışığı) açmak, (düğmeye, şaltere) basmak
  • (lambayı, ışığı) açmakto turn a switch to the "on" position
  • (düğmeye, şaltere) basmakto turn a switch to the "on" position
Vietnamese bật
  • bậtto turn a switch to the "on" position
Cite this entry
APA

switch on. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/switch%20on

MLA

“switch on.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/switch%20on. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “switch on,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/switch%20on.

Source: switch on on Wiktionary, CC BY-SA 4.0.