roust /ɹaʊst/verb 4noun 1forms 3 verb4 •to rout out of bed; to rouse.Yesterday morn at 6:30 they rousted me up & gave me 2 shots in the behind. — 1977 •(informal) To harass, to treat in a rough way. •(slang) To arrest. •To drive strongly. noun1 •A strong tide or current, especially in a narrow channel.At the north point of this island, called Ska, goes a very rapid current; like the Roust of Sumburghead — 1786 formsrousted · rousting · rousts