[synonym] aspersion / tirade

A damaging or derogatory remark or criticism

비난, 비반, 중상, 
aspersion
jibe
slur
abuse
calumny
defamation
detraction
invective
obloquy
vituperation
slander

A long, angry speech of criticism or accusation

실랄한 비판
tirade
diatribe
harangue
rant
polemic
denunciation
fulmination
condemnation
censure
invective
criticism
rail
excoriate