1. (of metal or glass) not annealed and consequently easily cracked or fractured
   - brittle

See also: unhardened, untempered

• overbid
• overbite
• overblown
• overboard
• overboil
• overbold
• overbook
• overbridge
• overbuild
• overburden
• overburdened
• overbusy
• overbuy
• overcall
• overcapacity
• overcapitalisation
• overcapitalise
• overcapitalization
• overcapitalize
• overcareful
• overcast
• overcasting
• overcautious
• overcharge
• overclothe