denigrate

1 ENTRIES FOUND:
denigrate /ˈdɛnɪˌgreɪt/ verb
denigrates; denigrated; denigrating
denigrate
/ˈdɛnɪˌgreɪt/
verb
denigrates; denigrated; denigrating
Britannica Dictionary definition of DENIGRATE
[+ object] formal
1 
: to say very critical and often unfair things about (someone)
2 
: to make (something) seem less important or valuable

— denigration

/ˌdɛnɪˈgreɪʃən/ noun [noncount]