breakable
brittle
brittle as glass
cheap-jack
cobwebby
crackable
crisp
crispy
crumbly
crushable
dainty
delicate
delicately weak
effeminate
fissile
flimsy
fracturable
fragile
frail
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
fraction
fracture
armor-piercing
blunt-nosed
full-metal-jacket
grayish-black
headworld
heat-seeking
heavy-caliber
hollow-point
hollowpoint
majoritarian
metal-jacketed
paper-white
shaly