1. Vitally important
   - life-and-death

See also: crucial, important

• critical analysis
• critical angle
• critical appraisal
• critical mass
• critical point
• critical review
• criticality
• critically
• criticalness
• criticaster
• criticise
• criticism
• criticize
• critique
• critter
• critter sitter
• Crius
• Crixivan
• Crna Gora
• CRO
• Cro-magnon
• croak
• croaker
• croaking
• croaky