Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
lounge [laundʒ] n (in house, hotel) гости́ная f adj (at airport) зал ожида́ния; (BRIT) (also: lounge bar) часть ба́ра, где посети́тели сидя́т
vi (in chair) развали́ться (perf)
lounge about vi болта́ться (impf) (без де́ла)
lounge around vi = lounge about
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.