noun, often attributive
\ˈwu̇l \

Definition of wool 

1 : the soft wavy or curly usually thick undercoat of various hairy mammals and especially the sheep made up of a matrix of keratin fibers and covered with minute scales

2 : a product of wool especially : a woven fabric or garment of such fabric

3a : a dense felted pubescence especially on a plant : tomentum

b : a filamentous mass usually used in combination — compare mineral wool, steel wool

Keep scrolling for more

Synonyms for wool


coat, fleece, fur, hair, jacket, pelage, pile

Visit the Thesaurus for More 

Examples of wool in a Sentence

She doesn't like wool because it can be itchy. the wool from cashmere goats is considered by many to be the finest available

Recent Examples on the Web

This beginner level kit come with all the wool required plus the pattern, knitting needle, sewing needle and a label — a great way to build knitting skills and create a beautiful and functional piece of home décor, too. Erin Nicole Celletti, Teen Vogue, "8 Gift Ideas for DIY Enthusiasts 2018," 26 Nov. 2018 The Les Fleurs collection is all about florals that pop, much like the brand's iconic stationery designs, and is made with 100 percent wool that's handcrafted by artisans in India. Brittney Morgan, House Beautiful, "Rifle Paper Co. Just Launched A Dreamy New Line Of Rugs And Pillows," 29 Oct. 2018 These Army-surplus mitts have left and right trigger fingers as well as wool-blend mitt liners. Roy Berendsohn, Popular Mechanics, "The Best Work Gloves for Those Cold Winter Months," 29 Oct. 2018 Gray walls use dirt-repellant wool felt—roll-up curtains included—and other trim options include oak and linen. The Lume Traveler’s kitchen is outside, accessed from a rear hatch like a teardrop trailer. Megan Barber, Curbed, "Aluminum camper trailer features a convertible roof for star gazing," 13 Aug. 2018 Think: long pants, long sleeves, and items made out of leather or natural fibers like cotton and wool instead of more flammable synthetics. Carolyn L. Todd, SELF, "10 Tips on How to Survive a Plane Crash (Although They're Really Rare)," 13 Oct. 2018 Or put a blanket or towel between your skin and the ground; natural fibers such as cotton and wool do not interfere with grounding. Carrie Dennett, chicagotribune.com, "Could walking barefoot on grass improve your health? Some science suggests it can.," 11 July 2018 Don’t pay those any mind, and instead, head straight to the solids; the adjustable silk-and-wool style comes in charcoal, heather gray, navy, and ivory. Tiffany Yannetta, GQ, "Everything You Need to Make Your Next Red Eye More Bearable," 19 Mar. 2018 Solid wool, in Pollen — Rose Uniacke; roseuniacke.com. House Beautiful, "March 2018 Product Guide," 6 Feb. 2018

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

See More

First Known Use of wool

before the 12th century, in the meaning defined at sense 1

History and Etymology for wool

Middle English wolle, from Old English wull; akin to Old High German wolla wool, Latin vellus fleece, lana wool

Keep scrolling for more

Learn More about wool

Statistics for wool

Last Updated

10 Dec 2018

Look-up Popularity

Time Traveler for wool

The first known use of wool was before the 12th century

See more words from the same century

Keep scrolling for more

More Definitions for wool



English Language Learners Definition of wool

: the soft, thick hair of sheep and some other animals

: cloth or clothing made of wool

: long, thick thread made of wool and used for knitting


\ˈwu̇l \

Kids Definition of wool

1 : soft wavy or curly usually thick hair especially of the sheep

2 : a substance that looks like a mass of wavy hair steel wool

3 : a material (as yarn) made from wool

Keep scrolling for more

More from Merriam-Webster on wool

Rhyming Dictionary: Words that rhyme with wool

Thesaurus: All synonyms and antonyms for wool

Spanish Central: Translation of wool

Nglish: Translation of wool for Spanish Speakers

Britannica English: Translation of wool for Arabic Speakers

Britannica.com: Encyclopedia article about wool

Comments on wool

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


to enclose within walls

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!