denigrate
Pronunciation:
/ˈdɛn.ɪ.ɡɹeɪt//ˈdɛn.ɪ.ɡɹeɪt/verb
Definitions
To criticise so as to besmirch; traduce, disparage or defame.
To treat as worthless; belittle, degrade or disparage.
Example: You have no right to denigrate people and things that you have no personal experience with.
To blacken.