▸ verb [no object, with adverbial] walk with effort through water or another liquid or viscous substance:
he waded out to the boat
in the absence of a jetty we waded ashore
he took off his boots to wade in a stream near camp.
▪ [with object] walk through (something filled with water):
I waded ditches instead of finding easier crossing places.
– PHRASAL VERBS
wade in make a vigorous attack or intervention:
the elderly man waded in and wrestled the robber to the floor.
– ORIGIN Old English wadan ‘move onward’, also ‘penetrate’, from a Germanic word meaning ‘go (through)’, from an Indo-European root shared by Latin vadere ‘go’.