antiloquy
/æntɪˈlɒkjʊi, æntɪˈloʊkwi/Definitions
1. noun
A speech or talk against something, especially a formal speech opposing a bill or motion in a legislative body
“The politician delivered a powerful antiloquy against the proposed tax reform.”
2. noun
A reply or answer in words, especially one that is negative or opposing
“The lawyer’s antiloquy to the prosecution’s accusation was a key moment in the trial.”