All 4 Uses of

denounce
in
Gone with the Wind

The white children clamored to sit on his knee and be trotted, while he denounced to their elders the infamy of Yankee politicians; the daughters of his friends took him into their confidence about their love affairs, and the youths of the neighborhood, fearful of confessing debts of honor upon the carpets of their fathers, found him a friend in need.†
Chpt 1.3

denounced = strongly criticized or accused publicly OR (more rarely) informed against someone

Many newspapers were outspoken in their denunciation of President Davis himself and the manner in which he prosecuted the war.†
Chpt 2.16 *

denunciation = strong criticism or public accusation OR (more rarely) reporting someone to the authorities

In those early days of 1864, no newspaper could be opened that did not carry scathing editorials denouncing the speculators as vultures and bloodsucking leeches and calling upon the government to put them down with a hard hand.†
Chpt 2.16

denouncing = strongly criticizing or accusing publicly OR (more rarely) informing against someone

Aunt Pitty, who had been the first to denounce Old Joe for his policy of retreat, was among the first to pack her trunks.†
Chpt 3.18

Definitions:

(1) (denounce)
to strongly criticize or accuse publicly

or more rarely: to inform against someone (turn someone into the authorities)
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Much more rarely, denounce can indicate the termination of a treaty or other formal agreement.