What is "portentously"

Usage examples of "portentously".

Captain Flume had obtained this idea from Chief White Halfoat himself, who did tiptoe up to his cot one night as he was dozing off, to hiss portentously that one night when he, Captain Flume, was sound asleep he, Chief White Halfoat, was going to slit his throat open for him from ear to ear.

An indescribable and heavy odor fell upon him and for the moment overpowered his senses, and he found himself standing face to face with a figure prodigiously and portentously tall.

Andy ran his fingers through his hair, struck out his lower lip, frowned portentously, and pounded out the first sonorous chords of the Pathitique.

That gentleman became therefore a kind of flourishing public secret, out of the depths of which governess and pupil looked at each other portentously from the time their friend was restored to them.

A part of me could see that the lights continued to blaze as before, and when I looked at the wheel out of the corner of my eye, in a sidelong glance, I could confirm its continued bright adornment, yet when I looked at it more directly, I saw only an ominously huge, portentously dark Ferris turning ponderously against a black sky, as if it were one of the mill wheels of Heaven-the one that relentlessly grinds out the flour of suffering and cruel misfortune.

I stepped portentously on to the path, a fragment of the original Appalachian Trail from the days when it passed here en route from Mount Oglethorpe to Springer.