Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “supplement”

See all translations

supplement

noun [C] uk   /ˈsʌp.lɪ.mənt/ us  
C2 something that is added to something else in order to improve it or complete it; something extra: The doctor said she should be taking vitamin supplements. The money I get from teaching evening classes provides a supplement to my main income. We paid a supplement (= an extra amount of money) so that we could have a cabin on board the ship. a part of a magazine or newspaper, either produced separately or as part of the magazine or newspaper: The newspaper publishes a sports supplement every Monday. an extra part of a book, either produced separately or included at the end of the book, containing information that was not available when the book was first published: There is a supplement to the dictionary containing new words.

supplement

verb [T] uk   /ˈsʌp.lɪ.ment/ us  
C2 to add something to something to make it larger or better: He supplements (= adds to) his income by working in a bar in the evening. Some vegetarians like to supplement their diets with iron.
(Definition of supplement from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of supplement?
Add Cambridge dictionaries to your browser to your website

More meanings of “supplement”

Definitions of “supplement” in other dictionaries

Word of the Day

piglet

a baby pig

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More