IPA: /ˈstrɛtʃəbl/
KK: /ˈstrɛtʃəbl/
Able to be made longer or wider without breaking or losing shape.
The fabric is stretchable, making it perfect for activewear.
Stretchable → It is formed from "stretch" (from Old English *streccan*, meaning to extend or draw out) and "-able" (meaning capable of). The word "stretchable" means capable of being extended or drawn out.
Think of something that can be "extended" or "drawn out" — that's what stretchable means.