Synonyms of 'outpouring'
The news of his death produced an instant outpouring of grief.
an outburst of anger
The photos caused a storm when they were first published.
a continuous stream of lava
His reaction was an explosion of anger.
He was overcome by a sudden surge of jealousy.
an outbreak of violence involving hundreds of youths
the volcanic eruption of Tambora in 1815
He felt a spasm of fear.
She was overcome by a paroxysm of grief.
an effusion of blood
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If you refer to a cascade of something, you mean that there is a large amount of it.
She stood still for a moment under the cascade of water.
the act or process of flowing out
Thesaurus for outpouring from the Collins English Thesaurus
An outpouring of something such as an emotion or a reaction is the expression of it in an uncontrolled way.