Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “top sth up”

top sth up

verb uk phrasal verb with top   /tɒp/ us    /tɑːp/ (-pp-)

(LIQUID)

UK (US top sth off) to add liquid in order to fill to the top a container that is already partly full: Would you like me to top up your drink? Mix together some lemon juice and sugar, then top it up with water.

(MONEY)

to add more of something, especially money, to an existing amount to create the total you need: Students were able to take out loans to top up their grants. This is the easiest way to top up your mobile phone card. top-up payments
(Definition of top sth up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of top sth up?
Browse related topics

You are looking at an entry to do with Filling and completing, but you might be interested in these topics from the Full and empty topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “top sth up” in other dictionaries

Word of the Day

for starters

used to say that something is the first in a list of things

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More