querulous

Etymology

From Old French querelos, from Late Latin querulōsus, from Latin querulus, from queror (“I complain”).

adj

1. Often complaining; suggesting a complaint in expression; fretful, whining.
   The nights were now cold, gemmed with a multitude of bright stars, uncanny with the querulous wail of coyotes and the occasional deep voices of wolves. 1922, A. M. Chisholm, A Thousand a Plate
   In contrast, the Westminster Gazette in 1912 was much more positive about railway staff, praising the "...army of porters hustling and bustling hither and thither with barrows groaning under the weight of bags and baggage and... the ever-patient and long-suffering guards, courteously giving information and advice to the querulous passengers... to the porter the Christmas season means a continuous round of heavy labour, extremely tiring to both nerves and temper, and this fact the public too often seem either to forget or ignore." December 14 2022, David Turner, “The Edwardian Christmas getaway...”, in RAIL, number 972, page 35