poly·​es·​ter | \ ˈpä-lē-ˌe-stər How to pronounce polyester (audio) , 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 How to pronounce polyesterification (audio) \ 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

The thinking is that the polyester-spandex material is snug enough to hold muscles in place and improve blood flow, but still stretchy enough to alleviate discomfort. Andrea Cheng, Condé Nast Traveler, "The Most Comfortable Brands to Wear on a Long-Haul Flight," 2 July 2019 Cotton, nylon, polyester, and linen are most often used to create breathable clothing, because of their desirable properties. Houston Chronicle, "These looks will let you feel and look cool under the sun," 27 June 2019 Apparently, the decorating tastes of backyard critters trend more toward polyester fluff than toward waterproof, fade-proof, quick-dry material. Sally Schwartz Higginson, chicagotribune.com, "Column: A vandal cut and stole a small section of fabric to only one of my backyard seat cushions. But why?," 27 June 2019 Cities across the Valley have policies against wearing anything but proper swimsuits (made of polyester and nylon) in public pools. J. Edward Moreno, azcentral, "What you can and can't wear in Phoenix-area public pools," 20 June 2019 Captain Planet fans who prefer sustainable resources can now choose materials made of recycled polyester microfiber. Eric Stafford, Car and Driver, "The 2020 Land Rover Discovery Sport Adds Style and a Hybrid Model," 21 May 2019 The development of nylons and polyesters, whisking away sweat without becoming heavy, now allows designers to leave little for defenders to grab, unlike the 1970s when Earl Campbell often lost pieces of his jersey. Teresa M. Walker, chicagotribune.com, "NFL at 100: The evolution of uniforms, from bees to Color Rush," 7 June 2019 Projects by companies including Hengli Petrochemical Co. and Rongsheng Petrochemical Co. will devote as much as half their capacity to chemicals, mostly paraxylene, a material that China imports to make polyester and plastic bottles. Jack Kaskey, latimes.com, "Oil giants bet their futures on plastic — just in time for a plastic-trash crackdown," 6 June 2019 HOME Fresh is one piece, made from recycled plastic that’s been re-purposed into polyester yarn. Matthew Townsend / Bloomberg, Time, "'Big Carpet' Is Betting This New Floor Covering Will Get Americans to End Their Love of Hardwood," 6 June 2019

Recent Examples on the Web: Adjective

The soft, polyester hat can also be ordered in different colors: from classic ivory to a confetti sea green, a pretty lavender, or natural gray — just keep in mind that price varies with color choice. Shanon Maglente, Good Housekeeping, "This $10 Beanie Shows Off Your Ponytail and Keeps Your Head Warm," 1 Mar. 2019 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

13 Jul 2019

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 How to pronounce polyester (audio) \

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

Comments on polyester

What made you want to look up polyester? Please tell us where you read or heard it (including the quote, if possible).


characterized by aphorism

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