1. sudden strong urges or desires to act
Usage: formal
2. forces that drive or propel something forward
Usage: technical

Examples

• His creative impulsions led him to paint throughout the night.
• The artist struggled to control her impulsions to constantly revise her work.
• The rocket’s impulsions carried it beyond the atmosphere.
• She felt strange impulsions to travel to distant places.
• The engine’s impulsions provided steady forward motion.
• His impulsions toward generosity often left him short of money.