Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “supplement”

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

first:

(a person or thing) coming before all others in order, time, amount, quality, or importance

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More