Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “dim”

See all translations

dim

adjective uk   /dɪm/ (dimmer, dimmest) us  

dim adjective (NOT CLEAR)

C2 not giving or having much light: The lamp gave out a dim light. He sat in a dim corner of the waiting room. We could see a dim (= not easily seen) shape in the fog. literary If your eyes are dim, you cannot see very well.a dim memory, recollection, etc. C2 something that you remember slightly, but not very well: I had a dim recollection of having met her before.

dim adjective (NOT CLEVER)

informal not very clever: He's a nice guy, but a little dim. UK Don't be so dim!

dim adjective (NOT POSITIVE)

not likely to succeed: The company's prospects for the future are rather dim.
dimly
adverb uk   /ˈdɪm.li/ us  
The room was dimly lit. I dimly remembered reading the book a few years before.
dimness
noun [U] uk   /ˈdɪm.nəs/ us  

dim

verb [I or T] uk   /dɪm/ (-mm-) us  
C2 to (make something) become less bright: Someone dimmed the lights. The lights dimmed and the curtains opened. literary to (make a positive feeling or quality) become less strong: Our hopes/expectations dimmed as the hours passed.
(Definition of dim from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of dim?
Add Cambridge dictionaries to your browser to your website

Definitions of “dim” in other dictionaries

Word of the Day

make believe

believing or imagining things that appear to be attractive or exciting, but are not real

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More