Invective (noun)

1. Insulting or abusive language; a spoken or written denunciation.
2. An invective speech, writing or expression.

Origin:

Late latin invectīva, invectīvus, from latin invectus, past participle of invehere to carry in, from in- + vehere to carry.

Examples:

1. The senator's invective against the opposition party was met with a standing ovation.
2. The invective in the play was so strong that many people left the theater.
3. She launched into an invective against the government's policies.
4. The invective directed at the referee by the coach was unsportsmanlike.
5. The invective in the letter was so vile it was almost unreadable.