Querulous means complaining in a petulant or whining manner.
Here are some synonyms for querulous:
* Complaining
* Grumbling
* Whining
* Petulant
* Cantankerous
* Peevish
* Cranky
Here are some examples of how to use "querulous" in a sentence:
* The querulous old man complained about the noise from the children playing in the park.
* Her querulous voice grated on my nerves.
* The patient's querulous tone made it difficult for the doctor to examine him.
It's important to note that querulous usually refers to someone who complains frequently and often without good reason.