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

See also: unhardened, untempered

• congeneric
• congenerical
• congenerous
• congenial
• congeniality
• congenially
• congenialness
• congenital
• congenital abnormality
• congenital afibrinogenemia
• congenital anomaly
• congenital defect
• congenital disease
• congenital disorder
• congenital heart defect
• congenital megacolon
• congenital pancytopenia
• congenitally
• conger
• conger eel
• congeries
• congest
• congested
• congestion
• congestion charge