definition of querulous?
Full Definition of QUERULOUS. 1. : habitually complaining. 2. â querÂ·uÂ·lousÂ·ly adverb. â querÂ·uÂ·lousÂ·ness noun. See querulous defined for English-language learners. See querulous defined for kids.ADVERTISEMENT.ull Definition of QUERULOUS. 1. : habitually complaining. 2. â querÂ·uÂ·lousÂ·ly adverb. â querÂ·uÂ·lousÂ·ness noun. See querulous defined for English-language learners. See querulous defined for kids.