breakable -
an article that is fragile and easily broken; "pack the breakables separately"
Adjective
breakable -
capable of being broken or damaged; "earthenware pottery is breakable"; "breakable articles should be packed carefully"
unbreakable impossible to break especially under ordinary usage; "unbreakable plastic dinnerwear"
breakableness the consistency of something that breaks under pressure
brickle,
brickly,
brittle having little elasticity; hence easily cracked or fractured or snapped; "brittle bones"; "glass is brittle"; "`brickle' and `brickly' are dialectal"
crumbly,
friable easily broken into small fragments or reduced to powder; "friable sandstone"; "friable carcinomatous tissue"; "friable curds formed in the stomach";"crumbly cookies"
short tending to crumble or break into flakes due to a large amount of shortening; "shortbread is a short crumbly cookie"; "a short flaky pie crust"