lounge / lounj/ • v. [intr.] lie, sit, or stand in a relaxed or lazy way: several students were lounging about reading papers.• n. 1. a public room, as in a hotel, theater, or club, in which to sit and relax. ∎ a spacious area in an airport with seats for waiting passengers: the departure lounge. ∎ short for cocktail lounge.2. a couch or sofa, esp. a backless one having a headrest at one end.