leave on
A2 neutral separable transitive
In simple words
To not turn something off, so it keeps working or stays switched on.
Literal meaning: To leave something in the 'on' state.
Meanings
1 A2 neutral
To allow a device, appliance, or light to continue operating without switching it off.
"She left the TV on all night and woke up to find it still playing."
Grammar: separable
2 A2 neutral
To keep an item of clothing or jewellery on your body rather than removing it.
"You can leave your coat on — we won't be here for long."
Grammar: separable
Usage notes
Extremely common in everyday domestic speech. Also used for clothing — leaving something on means not removing it. Very simple and transparent phrasal verb.
Commonly used with
light TV heating music tap engine
Forms
Base
leave on
I/you/we/they
3rd person
leaves on
he/she/it
Past simple
left on
yesterday
Past participle
left on
have + pp
-ing form
leaving on
continuous
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