THIN Synonyms: 197 Similar and Opposite Words

Q: How does the adjective 'thin' contrast with its synonyms?

Some common synonyms of thin are slender , slight , slim , and tenuous . While all these words mean "not thick, broad, abundant, or dense," thin implies comparatively little extension between surfaces or in diameter, or it may imply lack of substance, richness, or abundance. // thin wire // a thin soup

Q: In what contexts can 'slender' take the place of 'thin'?

The words slender and thin can be used in similar contexts, but slender implies leanness or spareness often with grace and good proportion. // the slender legs of a Sheraton chair

Q: When would 'slight' be a good substitute for 'thin'?

The synonyms slight and thin are sometimes interchangeable, but slight implies smallness as well as thinness. // a slight build

Q: When is it sensible to use 'slim' instead of 'thin'?

The words slim and thin are synonyms, but do differ in nuance. Specifically, slim applies to slenderness that suggests fragility or scantiness. // a slim volume of poetry // a slim chance

Q: Where would 'tenuous' be a reasonable alternative to 'thin'?

In some situations, the words tenuous and thin are roughly equivalent. However, tenuous implies extreme thinness, sheerness, or lack of substance and firmness. // a tenuous thread

thin 1 of 2

adjective

ˈthin

Definition of thin

as in skinny

having a noticeably small amount of body fat after starting a workout routine, she looked thinner

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in slender

being of less than usual width the thin threads of a cobweb

Synonyms & Similar Words

Antonyms & Near Antonyms

as in thinned

not containing very much of some important element the evidence for that oddball theory is pretty thin

Synonyms & Similar Words

Antonyms & Near Antonyms

thin

2 of 2

verb

as in to dilute

to alter (something) for the worse with the addition of foreign or lower-grade substances thinned the cream with milk but didn't tell anyone

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How does the adjective thin contrast with its synonyms?

Some common synonyms of thin are slender, slight, slim, and tenuous. While all these words mean "not thick, broad, abundant, or dense," thin implies comparatively little extension between surfaces or in diameter, or it may imply lack of substance, richness, or abundance.

thin wire

a thin soup

In what contexts can slender take the place of thin?

The words slender and thin can be used in similar contexts, but slender implies leanness or spareness often with grace and good proportion.

the slender legs of a Sheraton chair

When would slight be a good substitute for thin?

The synonyms slight and thin are sometimes interchangeable, but slight implies smallness as well as thinness.

a slight build

When is it sensible to use slim instead of thin?

The words slim and thin are synonyms, but do differ in nuance. Specifically, slim applies to slenderness that suggests fragility or scantiness.

a slim volume of poetry

a slim chance

Where would tenuous be a reasonable alternative to thin?

In some situations, the words tenuous and thin are roughly equivalent. However, tenuous implies extreme thinness, sheerness, or lack of substance and firmness.

a tenuous thread

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of thin

Adjective

West Aurora’s ranks are thinner with the loss of senior tight end Brendon Salach to a broken leg, suffered last week in the 41-0 win at East Aurora. — Rick Armstrong, Chicago Tribune, 22 Oct. 2026 The team claimed that the thinner the layer, the greater the demagnetization. — Prabhat Ranjan Mishra, Interesting Engineering, 22 Oct. 2026

Verb

Maryland linebacker Daniel Wingate picked off a deflected Sayin pass and returned it 51 yards for a TD in the third quarter to pull Maryland within 31-16, sending a shiver through an Ohio State crowd that thinned out considerably at halftime. — ABC News, 10 Oct. 2026 At sixty-seven, Bragg is bearded and paunchy, with a thinning crown. — Charles Bethea, New Yorker, 9 Oct. 2026 See All Example Sentences for thin

Recent Examples of Synonyms for thin

Adjective

Since the beginning of the episode, Lee’s been tailed by McMann’s skinny accomplice — the guy Ginger shot in the neck at the end of the season premiere.

— Amanda Whiting, Vulture, 22 Oct. 2026
His long tusks were pale white; the bottoms of his feet splayed out wide under his skinny legs, the better to stabilize on sand.

— Samantha Falewée, Condé Nast Traveler, 21 Oct. 2026

Definition of skinny

Adjective

However, the Camille features a discreet and comfortable one-inch heel for a modern and slender silhouette that lifts the feet slightly off the ground.

— Karla Rodriguez, Footwear News, 20 Oct. 2026
Some of them have panoramic views of white windmills, which dot the coastline of the Taiwan Strait like slender sentries.

— Gideon Lewis-Kraus, New Yorker, 19 Oct. 2026

Definition of slender

Adjective

Finally, the third recruits seaweed to gather minerals that are otherwise too dilute to chase.

— New Atlas, New Atlas, 27 July 2026
Clean and disinfect your pruning shears between working on each plant by dipping them into a dilute 10% solution of chlorine bleach water or rubbing alcohol.

— Mary Marlowe Leverette, Southern Living, 4 July 2026

Definition of dilute

Verb

The defense once again gave the offense an opportunity, forcing an Argyle punt, and this time, Heritage capitalized with a 2-yard rushing TD from Vargas to cut the lead to 7 points.

— Charles Baggarly, Fort Worth Star-Telegram, 24 Oct. 2026
Later that month, Achilles, a university lecturer, cut a campaign ad in the spirit of a tongue-in-cheek corporate training video on how to avoid starting a foreign war.

— Sarah Cutler, Idaho Statesman, 23 Oct. 2026

Definition of cut

Adjective

Those qualities are attractive, but concentrating exclusively on them directs many investors toward the same narrow set of service companies.

— Chris Russo, Sportico.com, 24 Oct. 2026
The winning architecture is a stack of narrow intelligences pointed at what each one is good at, coordinated through a harness that knows which one to use when.

— Stephen Messer, Fortune, 23 Oct. 2026

Definition of narrow

Adjective

In the spring, the Supreme Court weakened the Voting Rights Act, a landmark civil rights law, making way for Republican states to redraw their congressional maps and igniting fears of diluted Black representation.

— New York Times, New York Times, 29 Sep. 2026
Use a dry microfiber cloth for routine cleaning, and diluted dish soap or white vinegar to remove more stubborn, sticky film.

— Jolie Kerr, Better Homes & Gardens, 23 Sep. 2026

Definition of diluted

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thimblerigs

thin

thing

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“Thin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/thin. Accessed 27 Oct. 2026.

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Synonyms of thin

adjective

verb

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