Origin: Latin suffix -able
Washable has 3 different meanings across 1 category:
Something that can be washed without being damaged.
"The stain on my favorite shirt disappeared after I tossed it in the wash because the fabric is completely washable."
capable of being washed without injury
"washable woolens"
"acrylic blankets are both warm and washable"
Capable of being washed without being damaged; especially by a specified method, for example machine-washable.
"Before buying the new curtains, I checked the label to make sure they were machine-washable so I could clean up the pet hair easily."