Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “weak”

weak

adjective uk   /wiːk/ us  

weak adjective (NOT STRONG)

B1 not strong, or not strong enough to work, last, succeed, persuade, or be effective: It's not surprising you feel weak if you haven't eaten properly for days. The electromagnetic field strength becomes weaker as you move further away from high voltage cables. He was a weak king surrounded by corrupt advisers. Any evidence that exists to support the hypothesis is fairly weak. He gave the weakest of excuses when asked why he was late. B2 describes a drink that contains a lot of water compared to its other contents, so that it does not have a strong flavour: I can't stand weak coffee/tea. specialized chemistry describes an acid, alkali, or chemical base that does not produce many ions (= atoms with an electrical charge) when it is dissolved in water

weak adjective (NOT GOOD)

B1 not good enough, especially in ability, skill, or quality: He was always weak at/in languages but strong at/in science. Our quiz team is a bit weak on sport. In the end I think the film was spoilt by a weak story line.
weakly
adverb uk   /-li/ us  
"The pain seems to have eased a little with these new tablets," he said weakly.
(Definition of weak from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of weak?
Add Cambridge dictionaries to your browser to your website

Definitions of “weak” in other dictionaries

Word of the Day

light at the end of the tunnel

signs of improvement in a situation that has been bad for a long time, or signs that a long and difficult piece of work is almost finished

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 

spoonula noun

October 13, 2014
a cooking implement that is a combination of a spoon and a spatula Pour the mixture back into the pan and cook on low-medium, scraping and folding the mixture with a silicone spoonula (I love this one).

Read More