two words+the opposite of shrink and ...

[chrysanthemum]

When you wash a dress, sometimes it shrinks in the wash.But sometimes after using your dress, it becomes larger. What word do you use?
When you buy a T-shirt after using it if the material is not good there are some small cloth balls on your T-shirt the same color as the T-shirt itself. What do you call the process? Will you use it in a sentence?
Thanks

 

[Rover_KE]

If it becomes larger, it stretches.

If you mean like this, it's called pilling.

Rover

 

[hombre viejo]

*Not a teacher*

The most common antonyms for "shrink" are: "increase" and "expand" "Expand" is probably the better choice in the context of a result of washing a piece of clothing.

 

[emsr2d2]

When talking about clothing, I would only use "stretch" regardless of whether it stretched from over-wearing or from washing.

 

[5jj]

The most common antonyms for "shrink" are: "increase" and "expand.

Neither of these words is likely in the context of clothing.