formal complaint
NOUN
protest
Synonyms
STRONGEST
STRONG
bellyache
blackball
clamor
declaration
demur
demurral
difficulty
flak
grievance
gripe
grouse
holler
howl
kick
knock
march
moratorium
nix
protestation
rally
remonstrance
remonstration
stink
tumult
WEAK
Antonyms
STRONGEST
STRONG
WEAK