To feel or express strong disapproval of
To make an accusation against
It was tempting to denounce him in front of everyone, but that would be childish.
He does not dogmatically denounce the rights of reason, but he practically exercises them.
Of course, defence easily passes into counterattack, as when early apologists denounce Greek and Roman religion.
It is sometimes objected that the Christian church did not denounce slavery as a social crime and insist on its abolition.
Meanwhile Savonarola continued to denounce the abuses of the church and the guilt and corruption of mankind, and thundered forth predictions of heavenly wrath.