1. relating to or produced by glaciers or ice sheets
Usage: geological
2. extremely cold; icy
3. extremely slow in movement or progress

Examples

• The glacial valley was carved by ice thousands of years ago.
• A glacial wind swept across the frozen lake.
• The committee made glacial progress on the new policy.
• She gave him a glacial stare when he interrupted her.
• Glacial deposits can be found throughout the northern regions.
• The glacial pace of the negotiations frustrated everyone involved.
• His glacial response made it clear he was not interested.