atrophied breakable brittle as glass capricious changeable cheap-jack cobwebby corruptible crackable crisp crispy crumbly crump crushable dainty deciduous delicate delicately weak desiccated dried-up dying effeminate emaciated ephemeral evanescent fading fickle fissile fleeting flimsy flitting fly-by-night flying fracturable fragile frail frangible friable fugacious fugitive gimcrack gimcracky gossamery impermanent impetuous impulsive inconstant insecure insubstantial jerry jerry-built lacerable light lightweight momentary mortal mutable namby-pamby nondurable nonpermanent papery parchmenty passing pasteboardy perishable puny scissile sensitive sere shatterable shattery shivery short-lived shriveled shrunken sissified sleazy slight splintery tacky temporal temporary transient transitive transitory undurable unenduring unstable unsubstantial volatile vulnerable wasted weak wilted wispy withered wizened womanish wrinkled