I. | ̷ ̷| ̷ ̷ intransitive verb
Etymology: up (I) + rush
: to rush upward
II. ˈ ̷ ̷ˌ ̷ ̷ noun
1. : an upward rush of gas or liquid
that vigorous uprush of the atmosphere essential to the thunderstorm — W.J.Humphreys
2.
a. : a sudden rising especially from the subconscious
an uprush of fear — J.M.Cohen
was the triumph of irrationalism and betokened an uprush of forces from the psychic underworld — Walter Moberly
b. : a sudden increase
an uprush in government debt — Stuart Chase