Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “block sth up”

block sth up

verb [T] uk phrasal verb with block   /blɒk/ us    /blɑːk/
to fill a narrow space with something so that nothing can pass through: In autumn, leaves block the drains up.
(Definition of block sth up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of block sth up?
Browse related topics

You are looking at an entry to do with Closing and blocking, but you might be interested in these topics from the Opening and closing topic area:

Add Cambridge dictionaries to your browser to your website

Translations of “block sth up”

Word of the Day

long time no see

said when you meet someone who you haven't seen for a long period of time

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 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More