obloquor

Etymology
From.

Verb

 * 1) to speak against someone or something; interrupt a speaker, interject
 * 2) to gainsay, contradict
 * 3) to sing to, accompany or join in singing
 * 4) to blame, condemn
 * 5) to rail at, reproach, abuse
 * 6) to curse, insult
 * 1) to rail at, reproach, abuse
 * 2) to curse, insult