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

• external maxillary artery
• external modem
• external nasal vein
• external oblique muscle
• external organ
• external orifice
• external respiration
• external storage
• external-combustion engine
• externalisation
• externalise
• externalism
• externality
• externalization
• externalize
• externally
• exteroception
• exteroceptive
• exteroceptor
• exterritorial
• extinct
• extinction
• extinction angle
• extinguish
• extinguishable