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

In 2024, the company promoted its thin new iPad Pro by crushing musical instruments, cameras, and other creative tools beneath a hydraulic press, prompting a backlash and an apology. — Tatiana Sataua, Fortune, 15 Oct. 2026 Put simply, its machines carve intricate patterns into chips and add the extremely thin layers needed to build them. — Jeff Kilburg, CNBC, 15 Oct. 2026

Verb

From West Broadway, walk east down Prince Street toward Sixth Avenue and the foot traffic of shoppers starts to thin out. — Adriane Quinlan, Curbed, 9 Oct. 2026 By improving the function of a protein called CFTR that maintains the balance of salt and water in the body, the drugs thin the mucus in a patient's lungs. — Gerry Smith, CNBC, 9 Oct. 2026 See All Example Sentences for thin

Recent Examples of Synonyms for thin

Adjective

Related Stories Arriving to Southwark Crown Court, Brand wore a grey suit, white shirt and grey skinny tie.

— Ellise Shafer, Variety, 16 Oct. 2026
On a Wednesday afternoon at Ralphs on Pico Boulevard, a skinny, six-foot-tall tower of sensors rolled through the aisles.

— Ella Chakarian, Los Angeles Times, 15 Oct. 2026

Definition of skinny

Adjective

Fields of solar panels blanket parts of Inner Mongolia, while the slender silhouettes of wind turbines spin above grazing sheep.

— Simone McCarthy, CNN Money, 13 Oct. 2026
This one was carved from a block of limestone and features a slender face with a long nose and a tiny, smiling mouth.

— Alex Greenberger, ARTnews.com, 13 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

Sullivan denied that the law would cut Medicaid for Alaskans, saying the Affordable Care Act had a greater impact and raised insurance premiums in the state drastically.

— Matthew Choi The Washington Post, Arkansas Online, 17 Oct. 2026
The new version of Harry Potter and the Cursed Child has been cut from a five-hour show performed across two parts to a single three-hour performance as it is performed on Broadway.

— Jake Kanter, Deadline, 17 Oct. 2026

Definition of cut

Adjective

The decision to set that tone staggering through all 10 minutes of the extended cut might scan as raw inspiration, placing Spacemen 3 on a narrow band from La Monte Young and Terry Riley to some brilliant dro)))ne future.

— Gabriel Szatan, Pitchfork, 18 Oct. 2026
Recent polls have shown Jackson holding only a narrow lead over Democrat Keisha Lance Bottoms.

— DEMOCRAT-GAZETTE STAFF FROM WIRE REPORTS, Arkansas Online, 17 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 20 Oct. 2026.

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verb

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