Vituperative (adjective)

1. Expressing strong criticism or condemnation in harsh or abusive language.
2. Containing or characterized by harsh, critical language or abuse.

Origin:

From latin vituperat-, the stem of vituperare 'to blame, censure', from vitium 'fault'.

Examples:

1. The vituperative speech of the politician was filled with insults and accusations.
2. The vituperative comments on the internet post were deleted by the moderators.
3. The vituperative language used by the coach was unacceptable.
4. The vituperative tone of the letter made it clear that the writer was angry.
5. The vituperative attack on the author's work was unjustified.