Why didn't victor tell anyone about the monster?

Victor Frankenstein didn't tell anyone about the monster because he feared disbelief and ridicule, knowing that his creation was unnatural and horrific. He was also consumed by guilt and shame over his actions, believing that revealing the creature would expose his own failure and responsibility for the chaos it caused. Additionally, Victor was deeply isolated by his obsession with his work, which further prevented him from seeking help or sharing his burden with others.