Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Verb: roister  roy-stu(r)
Usage: archaic
  1. Engage in boisterous, drunken merrymaking
    "They were out roistering last night";
    - carouse, riot

Derived forms: roistered, roisters, roistering

Type of: jollify [informal], make merry, make whoopee [informal], racket, revel, wassail [archaic], whoop it up [informal]

Encyclopedia: Roister