How does okonkwo react when the priestess first makes her announcement?

When the priestess first makes her announcement in Chinua Achebe's "Things Fall Apart," Okonkwo reacts with anger and disbelief. He feels a deep sense of frustration as he perceives the priestess's Words as a challenge to his authority and masculinity. Okonkwo's impulsive nature leads him to dismiss the priestess's pronouncement, reflecting his struggle to maintain control in a society undergoing significant change. His reaction underscores his fear of weakness and failure, pivotal themes in the novel.