Definitions

turn on

VERB

excite; please

Synonyms

WEAK

arouse attract captivate enchant excite get started initiate introduce please show stimulate stir up thrill titillate work up

Antonyms

WEAK

disenchant disgust displease turn off

VERB

start the operation of

Synonyms

STRONGEST

activate log on put on switch on

WEAK

begin energize get started ignite initiate introduce put in gear set in motion start up

Antonyms

WEAK

close end finish shut down turn off

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It may also turn on key biological signals involved in regeneration, including Wnt and Shh pathways.

From Science Daily • Jun. 7, 2026

I make sure to turn on the light.

From The Wall Street Journal • Jun. 2, 2026

Japan got its turn on Sunday, May 24, after the RZA’s scheduled appearance at Crunchyroll’s Anime Awards.

From Salon • May 31, 2026

Carragher says Benitez told Owen, who in 2001 had won the Ballon d'Or, he needed to learn to "turn on the ball quicker".

From BBC • May 12, 2026

I lock the door behind me and turn on the bath tap.

From "How to Disappear Completely" by Ali Standish