adj. 1. Given to complaining; peevish. 2. Expressing a complaint or grievance; grumbling: a querulous voice; querulous comments. [Middle English querulose, litigious, quarrelsome, from Old French querelos, from Late Latin querulōsus, querulous, from Latin querulus, from querī, to complain; see kwes- in the Appendix of Indo-European roots.] queru·lous·ly adv. queru·lous·ness n. |
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