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to turn on
[phrase form: turn]
01
to cause a machine, device, or system to start working or flowing, usually by pressing a button or turning a switch
Transitive: to turn on a device or system
Examples
Before using the printer, make sure to turn it on and check for paper.
02
to become unfriendly or hostile toward someone or something
Transitive: to turn on sb
Examples
She turned on her longtime friend when she discovered the betrayal.
03
to rely on external conditions or factors
Transitive: to turn on an external condition
Examples
The decision to invest in the stock market turns entirely on market analysis.
04
to make someone feel excited or stimulated
Transitive: to turn on sb
Examples
The music turned the crowd on, and the dance floor came to life.
05
to cause someone to feel sexual attraction or excitement
Culturally sensitive
Informal
Examples
Her confidence really turns him on.
Turn on
01
a characteristic, behavior, or feature that increases sexual or romantic attraction toward someone
Slang
Examples
His sense of humor is a big turn on.
