The Denying of Truth
Scholars have stated that if one dreams of "denying the truth," it might be interpreted as disbelief, based on a noble verse. Confessing a sin or transgression is interpreted as gaining honor, glory, and repentance, while confessing to killing a person might indicate attaining authority, leadership, or security.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam