thin 1 of 2

Definition of thinnext
1
2
3
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

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

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
The water pressure then causes the vehicle to rise and slide on a thin layer of water between the tires and the road, making the driver lose control. Star-Telegram Weather Bot, Fort Worth Star-Telegram, 5 Apr. 2026 They can also be worn with a shirt dress, or a pair of pleated pants and a thin belt. Alex Sales, Glamour, 5 Apr. 2026
Verb
Snow drought in the West is thinning snowpack, putting the squeeze on many rivers, including the critical Colorado River. Shi En Kim, AZCentral.com, 31 Mar. 2026 By age 35, two-thirds of American men will experience some degree of noticeable hair loss and by age 50, approximately 85% of men will have significantly thinning hair, according to the American Hair Loss Association. Lily Hautau, CNN Money, 30 Mar. 2026 See All Example Sentences for thin
Recent Examples of Synonyms for thin
Adjective
  • Keep reading for what shoes go best with white skinny jeans right now.
    Alex Sales, Glamour, 27 Mar. 2026
  • Her neutral-toned, matte-finish makeup, strappy black tank top, and skinny sunglasses are also very ‘90s, so thanks for the weekend glam inspo, Selena!
    Kara Nesvig, Allure, 20 Mar. 2026
Adjective
  • To achieve such slender proportions, Rexhepi had to rethink the movement’s architecture.
    Rachel Cormack, Robb Report, 6 Apr. 2026
  • Ribbon Fall, which descends 1,612 feet and marks Yosemite’s single largest drop, is a slender plunge and could be gone by June, Goehring says.
    Kurtis Alexander, San Francisco Chronicle, 4 Apr. 2026
Verb
  • When this idea is diluted, government expands its ambition to curate the public’s consciousness.
    George F. Will, Washington Post, 3 Apr. 2026
  • Now, Perez said branches are leaving the union because of high turnover in retail banking, which dilutes the original union-supporting staff and allows the company to re-educate new hires with anti-union talking points.
    Chase Jordan April 2, Charlotte Observer, 2 Apr. 2026
Adjective
  • Lift your hips off the ground and place a block underneath your sacrum, the widest, boniest part of your pelvis.
    Cory Martin, Verywell Health, 16 Oct. 2024
  • Differences in Adult Bones That being said, some adults are bonier than others.
    Sam Walters, Discover Magazine, 3 Nov. 2023
Adjective
  • One stretch of narrow country road leading north out of the town of Clones in the Republic, for example, goes through Northern Ireland for some yards before reverting to the Republic.
    Colm Tóibín, The New York Review of Books, 4 Apr. 2026
  • That's because the radio waves are emanating over a wider range of directions rather than just in a narrow cone from the poles.
    Robert Lea, Space.com, 3 Apr. 2026
Adjective
  • Spray the area with the diluted vinegar and water mixture, and wipe it clean with a damp cloth to remove any residue.
    Karen Brewer Grossman, Southern Living, 30 Mar. 2026
  • In total, Microsoft has invested $13 billion in OpenAI and, at the time of the AI company’s restructuring in October, disclosed that its 27% diluted stake in the for-profit part of the organization was valued at $135 billion.
    Lora Kolodny,Ashley Capoot, CNBC, 23 Mar. 2026
Verb
  • Medical experts say if a rattlesnake bites, keep the area still, at or below heart level, do not apply ice, do not cut the wound, and do not suck out the venom – and seek help immediately.
    Jasmine Viel, CBS News, 4 Apr. 2026
  • The Aztecs were within nine points late in the first half against Michigan and had a 3 rattle out that would have cut it to six before getting their doors blown off 94-54, their most lopsided defeat of the 21st century.
    Mark Zeigler, San Diego Union-Tribune, 4 Apr. 2026
Adjective
  • The winglets and the corner sidepods that Ducati debuted in MotoGP in 2021 help with the downforce, even at extreme lean angles.
    New Atlas, New Atlas, 4 Apr. 2026
  • This was due to the fact that there were so many credible Democrats dividing the 65% to 70% of voters who at least lean left.
    U T Editorial Board, San Diego Union-Tribune, 3 Apr. 2026

Browse Nearby Words

Cite this Entry

“Thin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/thin. Accessed 8 Apr. 2026.

More from Merriam-Webster on thin

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster