1. Of extreme importance; vital to the resolution of a crisis
   "a crucial moment in his career"; "a crucial election"; "a crucial issue for women"
   - important 
2. Having crucial relevance
   "crucial to the case" 
3. Of the greatest importance
   "crucial information"
   - all-important, all important, essential, of the essence

See also: critical, cruciality, crucially, decisive, essential, important, life-and-death, life-or-death, material, of import, pivotal, polar

Antonym: noncrucial

Encyclopedia: Crucial

• ventral horn
• ventral placentation
• ventral root
• ventrally
• ventricle
• ventricose
• ventricous
• ventricular
• ventricular aneurysm
• ventricular fibrillation
• ventricular fold
• ventricular septal defect
• ventriculus
• ventriloquise
• ventriloquism
• ventriloquist
• ventriloquist's dummy
• ventriloquize
• ventriloquy
• venture
• venture capital
• venture capitalism
• venture capitalist
• venturer
• venturesome