What does bobbly mean?
Bobbly is an informal chiefly British adjective describing fabric — typically knitwear — whose surface has become covered in tiny balls of tangled fibre, known as bobbles or pills. These form naturally as clothing is worn and washed: loose fibres rub together, tangle, and cling to the surface, giving an otherwise smooth jumper or scarf a fuzzy, lumpy texture. A person might lament that their favourite sweater has 'gone all bobbly', though the word often carries warmth rather than disdain, evoking garments loved enough to be worn to that state. In American English, the same phenomenon is usually described with the verb 'to pill' or the adjective 'pilled', making 'bobbly' a distinctly British-flavoured term. It derives from 'bobble', a diminutive of 'bob', reflecting the word's playful, domestic character. Though modest, it is a vivid and useful addition to everyday descriptions of clothing and textiles.
adjective(Of fabric or clothing) covered in small balls or lumps of fluff formed by wear and friction.
- (Of fabric) covered in small pills or bobbles formed through wear.
"My favourite old jumper has gone all bobbly at the cuffs."
"The knees of his school trousers were worn and bobbly from years of kneeling on the carpet."
"She refused to throw away her bobbly old cardigan because it was still the warmest thing she owned."
That fuzzy pilling on your well-loved jumper isn't damage you caused — it's just fibres tangling together, and Brits have a cosy one-word name for it.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of bobbly
Bobbly derives from 'bobble', a diminutive form of the verb 'bob', which dates back to Middle English and means to move up and down quickly. The suffix '-y' was added to form an adjective describing something covered in bobbles. The related noun 'bobble' came to denote both the small fluffy balls that form on worn fabric and, separately, decorative pom-poms. Its close cousins 'wobbly' and 'knobbly' follow the same pattern of base word plus '-y'.
How bobbly is actually used
Informal and chiefly British; American speakers more often say a garment has 'pills' or is 'pilled'. The word carries affectionate connotations of comfort and long use rather than mere shabbiness.
Easily confused with bobbly
"Bobble" is the noun for the small fluffy ball itself (or a pom-pom), while "bobbly" describes fabric covered in such balls.