- to make an impression; have an effect or impact (usually followed by on or upon): to impinge upon the imagination; social pressures that impinge upon one's daily life.
- to encroach; infringe (usually followed by on or upon): to impinge on another's rights.
- to strike; dash; collide (usually followed by on, upon, or against): rays of light impinging on the eye.
- Obsolete. to come into violent contact with.
Origin of impinge
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (intr; usually foll by on or upon) to encroach or infringe; trespassto impinge on someone's time
- (intr; usually foll by on, against, or upon) to collide (with); strike
C16: from Latin impingere to drive at, dash against, from pangere to fasten, drive in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for impingent
Online Etymology Dictionary, © 2010 Douglas Harper