This research paper explores the creative metaphorical dimensions of the novel "Moby Dick" by Herman Melville. Through his imaginative metaphorical dimensions, Melville, a brilliant artist, has demonstrated a healthy relationship between the temporal and the eternal. The novelist's best work results from the fusion of Naturalistic Truth and figurative aspects. In this case, Moby Dick is both a novel and an experience of Ahab to discover the white whale. It is brimming with oceanic imagery and symbolic depths. Metaphorical dimensions in this book are based on both people and things. The Natural, Conventional, and Private metaphorical dimensions are the three different types. In this paper that demonstrates the white whale, the mechanism of metaphorical dimensions has been employed in the shape of agony and suffering. Moby Dick's malevolent disposition and attempts to inflict destruction throughout the text make it a secret Metaphorical dimension of an unclear creature.