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

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