wool

noun

ˈwu̇l 

often attributive

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

3

a

: a dense felted pubescence especially on a plant : tomentum

b

: a filamentous mass

—usually used in combination compare mineral wool, steel wool

Synonyms of wool

• hair
• coat
• fleece
• fur

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

An 8cm pile of true New Zealand wool gives this shag rug a charming bedhead quality. — Julia Harrison, Architectural Digest, 5 Aug. 2026

The work would have been slow going and highly readable—white wool on green backing, red thread stitched to white, yellow on red, mauve on pink, blue on purple, pink on black. — Literary Hub, 5 Aug. 2026

Using luxurious cottons, silks, wools and linen to emphasize the simplicity and ease of wardrobe staples — T-shirts, shorts, sweatshirts, skirts, button-down shirts, pants and tunics — elevating their wearability for day and night. — Tonya Blazio-Licorish, Footwear News, 4 Aug. 2026

Other in-flight amenities include noise-canceling headphones, large pillow, 100% wool blanket, and an amenity kit. — Jessica Puckett, Condé Nast Traveler, 1 Aug. 2026

Word History

Etymology

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

First Known Use

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

Phrases Containing wool

• combing wool
• cotton wool
• cotton wool ball
• dyed-in-the-wool
• glass wool
• lamb's wool
• mineral wool
• pull the wool over one's eyes
• pull the wool over someone's eyes
• Shetland wool
• steel wool
• virgin wool
• wire wool
• wool fat
• wool grease

Rhymes for wool

• full
• pull
• brimful
• handful
• mirthful
• mouthful
• roomful
• spoonful

Kids Definition

wool

noun

ˈwu̇l 

1

: the soft wavy or curly usually thick undercoat of various mammals and especially the sheep

2

: a fabric or garment made of wool

3

: material that resembles a mass of wool

wooled

ˈwu̇ld

adjective