impinge (up)on (someone or something)

impinge (up)on (someone or something)

1. To infringe on or interfere with someone or something. Any legislation that impinges upon human rights must be stopped.2. To make physical contact with something. It feels like something is impinging on my shoulder joint when I try to move it.See also: impinge

impinge (up)on someone or something

to affect or interfere with someone or something. (Upon is formal and less commonly used than on.) This will not impinge upon me at all. Will this matter impinge on my policies in any way?See also: impinge, on

impinge on

or impinge uponv.1. To intrude or encroach upon something: I disagree with this new law because it impinges on my First Amendment rights.2. To strike or collide with something: Sound waves impinge on the eardrum, causing it to vibrate.See also: impinge, on