Search Dictionary
Definition of thinner

thinner

/ˈθɪn.ər/
thin · ner

Plural:thinners
JUMP TO:

thinner Lexical Profile

thinner Game Scores & Validity

• adjective

1

Having a smaller distance between opposite surfaces or sides than something else; less thick.

Example

"The baker rolled the pastry dough into a thinner sheet before placing it in the pan."


2

Having less bodily fat or flesh; leaner or more slender in build.

Example

"He looked noticeably thinner after completing six months of marathon training."


3

Less dense, concentrated, or viscous (especially of a liquid, gas, or crowd).

Example

"Climbers often struggle to breathe at high altitudes where the mountain air becomes much thinner."

Synonyms
View all synonyms for thinner
Antonyms
View all antonyms for thinner

• noun

1

A volatile liquid solvent, such as turpentine or acetone, added to paint, varnish, or lacquer to reduce its viscosity and make it easier to apply or clean up.

Example

"The artist used a small amount of paint thinner to clean the dried oil pigments from her brushes."


2

A person or machine that removes excess plants, seedlings, or branches to improve the growth of those that remain.

Example

"Mechanical tree thinners are widely used in commercial orchards to manage fruit crop density."

• Rhymes for thinner

Word Origin & Etymology

Derived from the Old English adjective 'thynne' (having little thickness, sparse, or lean), traced back to the Proto-Indo-European root *ten- meaning 'to stretch', combined with the suffix '-er'.

Cite this Entry


Wordmom. (2026). Definition of Thinner. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thinner
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.