1. Sufficiently significant to affect the whole world
   "the contest was no world-shaking affair"
   - earthshaking, world-shattering, earth-shattering

See also: important, significant

• fiber bundle
• fiber optic cable
• fiber-optic transmission system
• fiberboard
• fiberglass
• fiberoptic
• fiberoptics
• fiberscope
• Fibonacci number
• Fibonacci sequence
• fibre
• fibre bundle
• fibre optic cable
• fibre-optic transmission system
• fibreboard
• fibreglass
• fibreoptic
• fibreoptics
• fibrescope
• fibril
• fibrillar
• fibrillate
• fibrillation
• fibrillose
• fibrin