Such a portentous and mysterious monster roused all my curiosity.
But at last all these fancies yielded to that one portentous something in the picture’s midst.
That Himmalehan, salt-sea Mastodon, clothed with such portentousness of unconscious power, that his very panics are more to be dreaded than his most fearless and malicious assaults!
But what most puzzled and confounded you was a long, limber, portentous, black mass of something hovering in the centre of the picture over three blue, dim, perpendicular lines floating in a nameless yeast.
Such portentous appetites had Queequeg and Tashtego, that to fill out the vacancies made by the previous repast, often the pale Dough-Boy was fain to bring on a great baron of salt-junk, seemingly quarried out of the solid ox.
But come out now, and look at this portentous lower jaw, which seems like the long narrow lid of an immense snuff-box, with the hinge at one end, instead of one side.
Whatever superstitions the sperm whalemen in general have connected with the sight of this object, certain it is, that a glimpse of it being so very unusual, that circumstance has gone far to invest it with portentousness.
But not yet have we solved the incantation of this whiteness, and learned why it appeals with such power to the soul; and more strange and far more portentous—why, as we have seen, it is at once the most meaning symbol of spiritual things, nay, the very veil of the Christian’s Deity; and yet should be as it is, the intensifying agent in things the most appalling to mankind.
There are no more uses of "portentous" in the book.