(a.) Capable of being broken.

brittle brittle as glass cheap-jack cobwebby crackable crisp crispy crumbly crushable dainty delicate delicately weak effeminate fissile flimsy fracturable fragile frail frangible friable gimcrack gimcracky gossamery jerry jerry-built lacerable light lightweight namby-pamby papery pasteboardy puny scissile shatterable shattery shivery sissified sleazy slight splintery tacky unsubstantial vulnerable wispy womanish