1. relating to a galaxy, especially the Milky Way
Usage: astronomy
2. extremely large in scale or scope
Usage: informal

Examples

• The galactic center contains a supermassive black hole.
• Scientists study galactic rotation to understand dark matter.
• The spacecraft will explore regions beyond our galactic neighborhood.
• The company’s galactic expansion plans include opening stores worldwide.
• Her galactic ego made it difficult to work with her.
• The galactic collision will occur in billions of years.