1. Subject to breaking into sharp slender pieces 
2. Resembling or consisting of or embedded with long slender fragments of (especially) wood having sharp points
   "a rough splintery floor of old pine boards"
   - slivery

See also: breakable, splinter

• flat cap
• flat coat
• flat file
• flat knot
• flat out
• flat panel display
• flat pea
• flat rate
• flat solid
• flat tip screwdriver
• flat tire
• flat tyre
• flat wash
• flat-bellied
• flat-chested
• flat-coated retriever
• flat-footed
• flat-growing
• flat-hat
• flat-leaf parsley
• flat-pack
• flat-topped
• flat-topped white aster
• flatbed
• flatbed lorry