1. to have an effect or impact on something, especially in a way that limits or restricts it
Usage: often followed by ‘on’ or ‘upon’
2. to strike or collide with something
Usage: formal; technical

Examples

• The new regulations will impinge on our freedom to operate.
• Budget cuts may impinge upon the quality of education.
• I don’t want my work schedule to impinge on family time.
• The noise from construction impinges on our daily activities.
• Light rays impinge on the surface of the mirror.
• The meteor will impinge on the atmosphere at high speed.