QUERULOUS Meaning of QUERULOUS in English [quer.u.lous] adj [ME querelose, fr. L querulus, fr. queri to complain] (15c) 1: habitually complaining 2: fretful, whining "a ~ voice" -- quer.u.lous.ly adv -- quer.u.lous.ness n Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012