[on-ruhsh, awn-]


a strong forward rush, flow, etc.

Origin of onrush

1835–45; on + rush1, after the verb phrase rush on
Related formson·rush·ing, adjective

Synonyms for onrush

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for onrush

Historical Examples of onrush

  • While he had been speaking, the onrush of the storm had blotted out the moon.

    The Fortune Hunter

    Louis Joseph Vance

  • As she had stooped to pick it up, she had been knocked to her knees by the onrush of the others.

  • But his sailors were no match for the onrush of these fiends from Dunkirk.

  • We sprang from rock to rock and evaded the onrush of the foaming waves.

    The Crack of Doom

    Robert Cromie

  • It is impossible to estimate the value of the rural church in the onrush of civilization.


    Henry Kalloch Rowe

British Dictionary definitions for onrush



a forceful forward rush or flow
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