poly·​es·​ter | \ˈpä-lē-ˌe-stər, ˌpä-lē-ˈe-\

Definition of polyester 

(Entry 1 of 2)

: any of a group of polymers that consist basically of repeated units of an ester and are used especially in making fibers or plastics also : a product (such as a fiber or fabric) composed of polyester



Definition of polyester (Entry 2 of 2)

: characterized by inelegant or unsophisticated middle-class taste polyester suburbs polyester folks

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Other Words from polyester


polyesterification \ˌpä-​lē-​e-​ˌster-​ə-​fə-​ˈkā-​shən \ noun

Examples of polyester in a Sentence


The shirt is made of polyester. The sheets are a cotton and polyester blend.

Recent Examples on the Web: Noun

Maybe stop at the big Afro, platform shoes, crazy wild patterns, polyester. Rob Haskell, WSJ, "In ‘Black Panther,’ Costume Designer Ruth E. Carter Found a Career-Defining Challenge," 1 Nov. 2018 Made of a silk-like polyester, these pants are somehow the offspring of a jogger pant and an ankle pant. Amanda Mitchell, Marie Claire, "The Item I Wear To Death: My Duro Olowu Silk Cuffed Pants," 17 Oct. 2018 Avoid cotton, which absorbs moisture like a sponge, and invest instead in a moisture-wicking fabric like polyester, nylon or Lycra. Whowhatwear.com, The Seattle Times, "The 5 pieces you need for running," 16 July 2018 These twill pants just dress up more and have 2 percent more stretchy polyester in the material. Joe Jackson, Outside Online, "Testing Men's Crossover Office-to-Outdoors Pants," 2 July 2018 Pierre Cardin polyester shirts, glitter and bell-bottoms. Alexis Burling, SFChronicle.com, "‘I Will Be Complete,’ by Glen David Gold," 21 June 2018 The fabric is a polyester-like material that is ideal for travel and best cleaned with a wet paper towel, just like the original. Jamie Rosen, Town & Country, "The Coat of the Moment," 17 Oct. 2014 The Palais collection is playful and full of whimsy, with bright, fun colors printed on a soft polyester base. Brittney Morgan, House Beautiful, "Rifle Paper Co. Just Launched A Dreamy New Line Of Rugs And Pillows," 29 Oct. 2018 Broadhurst likes Lululemon’s Ta Ta Tamer, especially for busty women, and has no qualms about wearing Victoria’s Secret seamless underwear into the woods because it’s made with polyester and elastane, which are both quick-drying. Colleen Stinchcombe, SELF, "7 Tips for Packing All the Right Clothing for Your First Backpacking Trip," 24 Oct. 2018

Recent Examples on the Web: Adjective

Start with polyester thermal underwear for the base layer. Deb Acord, Popular Mechanics, "7 Tips to Survive Cold-Weather Camping," 14 Dec. 2015 The small, polyester bag made its way from Earth to the moon and back, later languishing for years in a museum basement and a future convict’s garage. Scott Canon, kansascity, "She paid less than $1,000 for a moon dust bag and it’s now worth nearly $2 million," 20 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polyester.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of polyester


1922, in the meaning defined above


1975, in the meaning defined above

History and Etymology for polyester


International Scientific Vocabulary

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Statistics for polyester

Last Updated

30 Nov 2018

Look-up Popularity

Time Traveler for polyester

The first known use of polyester was in 1922

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More Definitions for polyester



English Language Learners Definition of polyester

: a material that is made from a chemical process and that is used for making many different products including fabrics


poly·​es·​ter | \ˈpä-lē-ˌe-stər \

Kids Definition of polyester

: a synthetic fiber used especially in clothing

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More from Merriam-Webster on polyester

Rhyming Dictionary: Words that rhyme with polyester

Spanish Central: Translation of polyester

Nglish: Translation of polyester for Spanish Speakers

Britannica.com: Encyclopedia article about polyester

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