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

UK (US top sth off) phrasal verb with top
 
 
/tɒp/ verb [T] (present participle topping, past tense and past participle topped)
to add more liquid to a container in order to make it fullFilling and completing
to add more of something, especially money, to an existing amount to create the total you need: Can I top up my mobile phone here?Increasing and intensifying
(Definition of top sth up from the Cambridge Learners Dictionary © Cambridge University Press)
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

dawn on sb

If a fact dawns on you, you understand it after a period of not understanding it.

Word of the Day

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More