querulous (adj.)
- annoyed
- bad-tempered
- cantankerous
- catty
- censorious
- choleric
- complaining
- crabby
- cranky
- critical
- cross
- crotchety
- crusty
- crying
- disappointed
- discontented
- disgruntled
- displeased
- dissatisfied
- dyspeptic
- envious
- faultfinding
- finical
- finicky
- fractious
- fretful
- fussy
- grouchy
- grumbling
- grumpy
- howling
- huffy
- hypercritical
- ill-humored
- ill-natured
- ill-tempered
- irascible
- irritable
- irritated
- lamenting
- malcontent
- mournful
- murmuring
- nagging
- peevish
- perverse
- pettish
- petulant
- plaintive
- plangent
- quarrelsome
- rebellious
- resentful
- restive
- restless
- shrewish
- snappish
- sorrowful
- sour
- splenetic
- sulky
- testy
- touchy
- unaccommodating
- uneasy
- unfulfilled
- ungratified
- unhappy
- unsatisfied
- vixenish
- wailful
- wailing
- waspish
- weeping
- whiny
