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

In the case of Once Upon a Time, the narrative takes us through Hollywood in 1969, with Booth and his friend and boss, the struggling T.V. star Rick Dalton, played by a leather jacket and polyester turtleneck-wearing Leonardo DiCaprio. Brooke Bobb, Vogue, "Once Upon a Time in Hollywood," 24 July 2019 All of the cotton, linen and polyester used by Zara will be organic, sustainable or recycled by 2025, parent company Inditex announced this week. Jazmin Goodwin, CNN, "Zara wants all its clothes to be made from sustainable fabrics by 2025," 19 July 2019 Made from durable polyester and ballistic nylon, this bag is ready to take a beating for years to come. James Lynch, Popular Mechanics, "The 9 Best Travel Bags You Can Buy Right Now," 12 July 2019 It was constructed from 25,000 square feet of BoPET, the durable and versatile polyester film designed by NASA in 1964 for Mylar space blankets, according to a July release. Marcy De Luna, Houston Chronicle, "Out-of-this-world installation 'Skywaves' to debut at River Oaks District," 19 July 2019 Home Fresh is one piece, made of plastic that has been recycled into polyester yarn. Matthew Townsend, latimes.com, "Big Carpet wants to end America’s love of hardwood floors," 10 June 2019 Cotton over polyester Not all summer dresses are created equal. Elizabeth Denton, Seventeen, "12 Curvy Girl Fashion Hacks to Get You Through Summer," 23 May 2019 The sun shade, my personal favorite addition, is a durable, woven polyester shade that's water-resistant and UV coated to keep it from fading in the sun. Brittney Morgan, House Beautiful, "Your Next Picnic Needs Society6's Fun New Outdoor Line," 16 May 2019 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

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

10 Aug 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).


not constant or steady

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