Meaning

• An expression which inveighs or rails against a person.

• A severe or violent censure or reproach.

• Something spoken or written, intended to cast shame, disgrace, censure, or reproach on another.

• A harsh or reproachful accusation.

  "Politics can raise invective to a low art."

Meaning

• Characterized by invection or railing.

  "Tom's speeches became diatribes — each more invective than the last."