# top up

idiom

Source: https://englishreference.com/idiom/top-up
Updated: 2026-08-10

## Meaning

To refill (or recharge) something.

## Examples

- Please top up your coffee before we start the meeting.
- I need to top up my transit card at the station before I catch the train.
- After the long journey, he stopped at the station to top up his fuel tank before continuing across the border.

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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.