Synonyms of jealous
1
: hostile toward a rival or one believed to enjoy an advantage : envious
His success made his old friends jealous.
They were jealous of his success.
2
a
: intolerant of rivalry or unfaithfulness
… jealous of the slightest interference in household management …—Havelock Ellis
b
: tending to suspect rivalry or unfaithfulness
a jealous husband
3
: vigilant in guarding a possession
… new colonies were jealous of their new independence.—Scott Buchanan
jealously adverb
jealousness noun
Usage of Jealous and Envious

Some assert that only envious is correctly used to describe someone who feels or shows a very strong desire for something that belongs to someone else, but in truth both envious and jealous commonly carry this meaning. Jealous alone is used to describe someone who tends to suspect unfaithfulness.

a jealous lover

jealousness

2 of 2

noun

jeal·​ous·​ness
plural -es

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Zealous vs. Jealous

Zealous and jealous share not just a rhyme, but an etymology. Both words ultimately come from the Latin zelus “jealousy,” and in the past their meanings were somewhat closer to each other than they are today. In the 16th and 17th centuries, zealous occasionally was used in biblical writing to refer to a quality of apprehensiveness or jealousy of another. By the 18th century, however, it had completely diverged in meaning from jealous, signifying “warmly engaged or ardent on behalf of someone or something.” Today, zealous often carries a connotation of excessive feeling: it typically means “fiercely partisan” or “uncompromisingly enthusiastic.”

Synonyms of jealous

Examples of jealous in a Sentence

Adjective His success has made some of his old friends jealous. She became very jealous whenever he talked to other women. He was in a jealous rage.
Recent Examples on the Web
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Adjective
The station was made with minimalism in mind, and its durable ABS and metal build and zinc alloy give it a look so sleek that the other devices on your desk will be jealous. — George Yang, PC Magazine, 16 Oct. 2026 Another comic, Bill Scheft, says the people who poked fun at Seinfeld still respected his craftsmanship (and were probably a little jealous of his success). — Jon Blistein, Rolling Stone, 15 Oct. 2026 But tensions brew in this village that could be out of a Grimms’ fairy tale, with local women (like Elizabeth Debicki) getting jealous and starting to wonder if their own husbands are lacking. — Kenneal Patterson, Vanity Fair, 14 Oct. 2026 Jones was often jealous, distrustful, possessive and controlling of his girlfriend, according to the Tarrant County Criminal District Attorney’s Office. — Emerson Clarridge, Fort Worth Star-Telegram, 9 Oct. 2026 See All Example Sentences for jealous

Word History

Etymology

Adjective

Middle English jelous, from Anglo-French gelus, from Vulgar Latin *zelosus, from Late Latin zelus zeal — more at zeal

Noun

Middle English jelousnes, from jelous + -nes -ness

First Known Use

Adjective

13th century, in the meaning defined at sense 2a

Time Traveler
The first known use of jealous was in the 13th century

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Cite this Entry

“Jealous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jealous. Accessed 21 Oct. 2026.

Kids Definition

jealous

adjective
1
: demanding complete devotion
2
: feeling mean resentment toward a rival or competitor
3
: fearful of the loss of a loved one's devotion
4
jealously adverb
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