Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “jealous”

jealous

adjective uk   /ˈdʒel.əs/ us  

jealous adjective (UNHAPPY)

B1 upset and angry because someone that you love seems interested in another person: a jealous husband/wife Anna says she feels jealous every time another woman looks at her boyfriend. B2 unhappy and angry because someone has something that you want: He had always been very jealous of his brother's good looks.
Compare

jealous adjective (CAREFUL)

extremely careful in protecting someone or something: She is very jealous of her independence, and doesn't want to get married. Her parents used to keep a jealous watch over her when she was young.
jealously
adverb uk   /-li/ us  
B2 The exact location of the hotel where the royal couple is staying is a jealously (= carefully) guarded secret. She eyed Gwen's engagement ring jealously.
(Definition of jealous from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of jealous?
Browse related topics

You are looking at an entry to do with Cautious and vigilant, but you might be interested in these topics from the Protecting and saving topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “jealous” in other dictionaries

SMART Thesaurus: Envy and jealousy

“jealous”: synonyms and related words:

You can also find related words, phrases, and synonyms in the topics:

Word of the Day

mutant

an organism that is different from others of its type because of a permanent change in its genes

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More