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top up

British  

verb

  1. to raise the level of (a liquid, powder, etc) in (a container), usually bringing it to the brim of the container

    top up the sugar in those bowls

    1. to increase the benefits from (an insurance scheme), esp to increase a pension when a salary rise enables higher premiums to be paid

    2. to add money to (a loan, bank account, etc) in order to keep it at a constant or acceptable level

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

    1. an amount added to something in order to raise it to or maintain it at a desired level

    2. ( as modifier )

      a top-up loan

      a top-up policy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

See Examples For:

Finish with 50ml of prosecco and top up with grapefruit soda, to taste.

From BBC Jun. 19, 2026

In the event of a shortfall, where there isn’t enough collateral to back a customer’s leveraged bets, the customers will need to top up the funds as soon as possible.

From The Wall Street Journal Jun. 4, 2026

Most sellers probably won’t let you borrow their car, top up the battery and then see how far you can get.

From The Wall Street Journal May 15, 2026

This will top up rain gauges in some locations but there will be gaps in between meaning some places will stay mostly or completely dry.

From BBC Apr. 27, 2026

Yeah, she could put the top up, but that combination of cold night air and warmth from the heater is A1.

From "On the Come Up" by Angie Thomas

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