quer ‧ u ‧ lous /ˈkwerələs, ˈkwerʊləs/ BrE AmE adjective formal
[ Date: 1400-1500 ; Language: Latin ; Origin: querulosus , from queri ; ⇨ ↑ quarrel 1 ]
someone who is querulous complains about things in an annoying way:
‘But why can’t I go?’ he said in a querulous voice.
—querulously adverb