Synonyms of 'onrush'
surgeDictionary, charge, push (informal)
The bridge was destroyed in a tidal surge during a storm.
He led the bayonet charge from the front.
All that was needed was one final push, and the enemy would be vanquished once and for all.
watching the quiet flow of the olive-green water
Throw something noisy and feign a rush at him.
She broke into a flood of tears.
a continuous stream of lava
a military onslaught against the rebels
There was a stampede for the exit.
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Thesaurus for onrush from the Collins English Thesaurus
The onrush of something is its sudden development, which happens so quickly and forcefully that you are unable to control it.