portentously (Meaning)

Wordnet

portentously (r)

in a portentous manner

The storm clouds gathered portentously, hinting at an imminent downpour.
The professor's voice droned portentously, casting a pall of boredom over the lecture hall.
The lottery results were announced portentously, leaving the audience in suspense.
The doctor's prognosis was delivered portentously, signaling a grave diagnosis.
The silence stretched portentously, creating an atmosphere of unease.
The child's intuition was surprisingly portentous, foretelling an unforeseen event.
The bird's flight pattern seemed portentous, suggesting a change in the weather.
The politician's speech was rife with portentous rhetoric, aimed at swaying the hearts of his constituents.
The sudden appearance of a black cat was interpreted portentously as a harbinger of bad luck.
The clock ticked portentously, marking the inexorable passage of time.

in a portentous manner

sinister, menacing,ominous, darkening, direful, ill-boding, inauspicious, threatening, somber, grey

bright, favorable, prosperous, auspicious, bright, benign, promising, prosperous, promising, unthreatening

The storm clouds gathered portentously, hinting at an imminent downpour.

The professor's voice droned portentously, casting a pall of boredom over the lecture hall.

The lottery results were announced portentously, leaving the audience in suspense.

The doctor's prognosis was delivered portentously, signaling a grave diagnosis.