1. Sufficiently significant to affect the whole world
   "the conversation...could hardly be called world-shattering"
   - earthshaking, world-shaking, earth-shattering

See also: important, significant

• pre-Christian
• pre-Columbian
• pre-contract
• pre-embryo
• pre-emptive strike
• pre-Jurassic
• pre-nup
• Pre-Raphaelite
• pre-soak
• preach
• preacher
• preacher man
• preachification
• preachify
• preaching
• preachment
• preachy
• preadolescent
• Preakness
• preamble
• preamplifier
• preanal
• prearrange
• prearrangement
• preassemble