1. upward movements or forces, especially geological forces that push rock formations upward
Usage: geological

1. pushes or forces something upward with sudden movement

Examples

• The mountain range was formed by massive geological upthrusts millions of years ago.
• Tectonic upthrusts created the dramatic cliffs along the coastline.
• The swimmer upthrusts her arms above the water during the stroke.
• Volcanic activity often involves upthrusts of molten rock through the earth’s crust.
• The dancer upthrusts his partner gracefully into the air.
• Seismic upthrusts can cause significant changes in the landscape.
• The gymnast upthrusts herself from the springboard with perfect timing.