Protestant
fretful
querulous
whiney
whiny
Jeremianic
beef
beefing
bellyache
bellyaching
bitch
bitching
complaint
complaintful
complaintive
crabbing
crabby
cranky
croaking
destructive criticism
disappointed
discontented
disgruntled
displeased
disputatious
disputing
dissatisfied
dissent
dissentient
dissenting
envious
fault-finding
faultfinding
fractious
grievance
gripe
griping
groan
groaning
grouchy
grouse
grousing
growling
grumbling
holler
howl
howling
kick
kicking
lamentive
malcontent
abstaining
ascertaining
attaining
campaigning
caning
chaining
constraining
containing
deigning
detaining
disdaining
draining
entertaining
explaining
feigning
gaining
maintaining
obtaining
ordaining
overtraining
painting
pertaining
raining
refraining
regaining
reigning
reining
remaining
restraining
retaining
retraining
staining
straining
sustaining
training
waning