Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “against”

against

preposition  /əˈɡenst, əˈɡeɪnst/ us  

against preposition (IN OPPOSITION)

in opposition to; opposed to: I know you’d like to get a more expensive car, but I’m against it. It’s against the law to throw your trash there (= It’s illegal). She voted against the tax increase. He warned them against repeating (= not to repeat) the mistakes of the former administration. Against also means in competition with: He would have to run against O’Toole for county treasurer. To go against something means to go in the opposite direction to it: swimming against the current

against preposition (DIRECTED AT)

directed at or toward: Among the charges leveled against them were bribery and tax evasion. There's a process for filing claims against the city. Note: Used about something negative.

against preposition (TOUCHING)

next to and touching or being supported by something: It would save space if we put the bed against the wall. He leaned his head against the back of his chair.
(Definition of against from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of against?
Browse related topics

You are looking at an entry to do with Experiencing difficulties, but you might be interested in these topics from the Easy and difficult topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “against” in other dictionaries

Word of the Day

see the light of day

When something sees the light of day, it appears for the first time.

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

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