# leave on

idiom

Source: https://englishreference.com/idiom/leave-on
Updated: 2026-08-10

## Meaning

To cause or allow to remain in the on or open position.

## Examples

- Please leave the light on when you go out.
- I always leave the television on to keep the dog company while I am at work.
- The security guard decided to leave the main gate on its latch, allowing the late arrivals to enter the building without further delay.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.