Did you know?

Click any word in a definition or example to find the entry for that word

top up - definition and synonyms


What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

phrasal verb [transitive]
Word Forms
present tense
I/you/we/theytop up
he/she/ittops up
present participletopping up
past tensetopped up
past participletopped up
  1. 1
    to completely fill a container that is already partly full
    I’ll just top up the teapot.
    1. a.
      to add more liquid to someones glass or cup in order to make it full
      Can I top you up?
      Would you like me to top up your drink?
See also main entry: top


… a feeling of pleasure you get from spending time doing what you want and not worrying about what other people are doing or saying

BuzzWord Article

Open Dictionary

brain fade

a temporary inability to think clearly or remember information

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog