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[on-ruhsh, awn-] /ˈɒnˌrʌʃ, ˈɔn-/
a strong forward rush, flow, etc.
Origin of onrush
1835-45; on + rush1, after the verb phrase rush on
Related forms
onrushing, adjective
onset, torrent, flood, charge. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for onrush
  • The onrush of water from the spring itself is plainly visible, and the lake has some fish life including bluegill and catfish.
  • His quotations and pictures and clips and drawings and paintings give density and meaning to the blind onrush that life can be.
  • People no longer defend the solid, private domain that is one's own from the onrush of images and sensation.
  • Yet for many contemplating the onrush of the life sciences and biotechnology, they have limited persuasiveness.
  • Most other national parks experienced a similar onrush of tourists and also faced deteriorating facilities.
  • Those in the rear part of th boat were swept into the water by the onrush of these from th- fore part.
  • So sudden was the onrush of the waters that hundreds barely escaped with their lives.
  • Our civilization is largely the product of the humble toilers whose names would otherwise be forgotten in the onrush of events.
  • Our lives are so lived with noise, and it seems that the onrush of sound sometimes obliterates.
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
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