several factors impinge on market efficiency
The President has Constitutional powers upon which Congress cannot impinge .
I found a place where politics still ranks low in the order of things, where life has more immediate things to concern it, and where the affairs of the far-off capital seem scarcely to impinge .
Nora was determined that the tragedy would impinge as little as possible on Constance's life
Over time, we will better incorporate the new economic-theory developments as the practices they describe impinge .
the gases impinge on the surface of the liquid
One of the sacred precepts of modern educational theory is that you must never impinge negatively on the pupil's self-esteem.
the proposed fencing would impinge on a public bridleway
Suddenly the reality of war started to impinge .
Those sorts of imponderables do occasionally impinge , but not often.