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

• talking head
• talking picture
• talking point
• talking to
• talks
• talky
• tall
• tall bellflower
• tall bilberry
• tall buttercup
• tall crowfoot
• tall cupflower
• tall field buttercup
• tall gallberry holly
• tall goldenrod
• tall mallow
• tall meadow grass
• tall oat grass
• tall oil
• tall order
• tall poppy
• tall story
• tall sunflower
• tall tale
• tall white violet