FROWZY Meaning of FROWZY in English adj. (also frowsy) (-ier, -iest) 1 fusty, musty, ill-smelling, close. 2 slatternly, unkempt, dingy. frowziness n.[ 17th c.: orig. unkn.: cf. earlier frowy ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012