thin 1 of 2

Definition of thinnext
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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

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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

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
Up there, the air is so thin that climbing a flight of stairs can be a proper struggle. Tim Stevens, ArsTechnica, 22 June 2026 Together with white and denim shirts, the brand this season rolled out traditional patterns, from thin stripes and pinstripes to checks. Luisa Zargani, Footwear News, 22 June 2026
Verb
But truly effective products for thinning hair are a different story. Deanna Pai, Vogue, 1 July 2026 The addition of Aldama means the Mavericks are likely to make another move to thin out their frontcourt. Christian Clark, New York Times, 1 July 2026 See All Example Sentences for thin
Recent Examples of Synonyms for thin
Adjective
  • Instead of sticking to styles that squeeze your legs in a skinny-jean kind of way, opt for looser, baggier silhouettes like these from Levi’s.
    Alyssa Grabinski, PEOPLE, 28 June 2026
  • Already existing as a divisive pick, skinny jeans are taking a back seat this summer.
    Amanda Le, InStyle, 28 June 2026
Adjective
  • On the Fourth of July, New York Harbor will fill with white canvas and slender hulls.
    Christopher Bonanos, Curbed, 30 June 2026
  • This is a comfortable, sleek set of ankle weight cuffs, ideal for those with smaller, more slender ankles.
    BestReviews, Mercury News, 29 June 2026
Adjective
  • But dwarf galaxies are smaller and colder, with more dilute and slower-moving matter.
    Paul M. Sutter, Scientific American, 6 May 2026
  • Second, a dilute hydrochloric acid is used to dissolve the remaining lithium and the transition metals—nickel, cobalt, and manganese.
    Aman Tripathi, Interesting Engineering, 12 Oct. 2025
Verb
  • The lineup already was revving, as Rushing homered in the second inning while Sasaki was still in the game, and both Kyle Tucker and Muncy drove in runs off starter Randy Vasquez in the third, cutting the deficit to two.
    Liana Handler Follow, Los Angeles Times, 3 July 2026
  • Potential applications beyond wind energy The researchers believe the manufacturing approach could cut production costs for small wind turbines and help more people use lightweight renewable energy technology.
    Sujita Sinha, Interesting Engineering, 3 July 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
  • Many of Haaland’s bags are actually Haut à Courroies (HAC), the model that the Birkin is based off, but with a slightly taller and narrower profile.
    Teddy Brown, CNN Money, 30 June 2026
  • But with 10,000 baby boomers reportedly retiring every day and millions of businesses approaching a transition point, the window to get it right is narrow.
    Esha Chhabra, Forbes.com, 30 June 2026
Adjective
  • By contrast, brewing coffee takes several minutes, resulting in a lighter, more diluted drink.
    Alexandra Emanuelli, Southern Living, 26 June 2026
  • To help remove sugar or milk, spray the area with diluted dishwashing soap solution.
    Madeline Buiano, Martha Stewart, 25 June 2026
Verb
  • The spoon even comes with measuring lines for a teaspoon and tablespoon, saving you from having to dirty another utensil.
    Melanie Fincher, Southern Living, 26 June 2026
  • But as filming continued, Pidgeon appeared to dirty her butter blond with caramel and chocolate shades similar to Bessette-Kennedy’s, thanks to stylist Kari Hill.
    Kaleigh Werner, Footwear News, 25 Feb. 2026

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Cite this Entry

“Thin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/thin. Accessed 5 Jul. 2026.

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