denigrate
1. [ verb ] belittle
Synonyms: belittle derogate minimize
Examples:

"Don't belittle his influence"

Related terms: disparage talk_down minimum disparagement minimization
2. [ verb ] charge falsely or with malicious intent; attack the good name and reputation of someone
Synonyms: besmirch calumniate asperse slander smear sully smirch defame
Examples:

"The journalists have defamed me!" The article in the paper sullied my reputation"

Related terms: charge badmouth assassinate libel defamation aspersion smear aspersion defamer slander
Similar spelling:   denigrative
  denigratory
  denigration
  denigrating
  democratize
  democratise
  democrat
  democratic