(Adjective) to be grumpy , grummumbling, or complaining
Synonyms: petulant, whiny, uptight, upset, captious
Antonyms: cheerful, happy, easy going,
The young kid in the restaurant was very querulous because his parents wouldn't let him get a dessert.
After a very rough day the student was very querulous around everyone.
Little Brother Tells Little Sister How It Is - AFV Winner