1. to have an effect or impact on something, especially in a way that limits or interferes with it
Usage: past tense of impinge
2. to strike or collide with something
Usage: past tense of impinge; formal

Examples

• The new regulations impinged on their freedom to operate.
• Budget cuts impinged upon the school’s ability to hire teachers.
• The noise from construction impinged on our concentration.
• His personal problems impinged on his work performance.
• The debris impinged against the spacecraft’s hull.
• Heavy traffic impinged on our travel plans.