Jeremianic
adverse criticism
animadversion
aspersion
bad notices
bad press
beef
beefing
bellyache
bellyaching
bitch
bitching
captious
captiousness
carping
cavil
caviling
censoriousness
complaining
complaint
complaintful
crabbing
crabby
cranky
critical
criticism
croaking
cynical
destructive criticism
disappointed
discontented
disgruntled
displeased
dissatisfied
dissent
envious
exception
flak
fretful
grievance
gripe
griping
groan
groaning
grouchy
grouse
grousing
growling
grumbling
hairsplitting