1. Not capable of being changed or altered
   - unalterable

See also: final, incurable, last

• blood test
• blood transfusion
• blood type
• blood typing
• blood vessel
• blood-and-guts
• blood-brain barrier
• blood-filled
• blood-oxygenation level dependent functional magnetic resonance imaging
• blood-red
• blood-related
• blood-twig
• bloodbath
• catechin
• catechise
• catechism
• catechismal
• catechist
• catechistic
• catechize
• catecholamine
• catechu
• catechumen
• categorem
• categorematic