Thesaurus

portentous

adjective

Synonyms and Antonyms of portentous

  1. 1 being or showing a sign of evil or calamity to come an eerie and portentous stillness hung over the camp the night before the battle Synonyms of portentous baleful, dire, direful, doomy, foreboding, ill, ill-boding, inauspicious, menacing, minatory, ominous, sinister, threateningWords Related to portentous black, bleak, cheerless, chill, Cimmerian, cloudy, cold, comfortless, dark, darkening, depressing, depressive, desolate, dim, disconsolate, dismal, drear, dreary, dreich [chiefly Scottish], elegiac (also elegiacal), forlorn, funereal, gloomy, glum, godforsaken, gray (also grey), lonely, lonesome, lugubrious, miserable, morbid, morose, murky, plutonian, saturnine, sepulchral, somber (or sombre), sullen, sunless, tenebrific, tenebrous, wretched; discouraging, disheartening, hopeless, unfavorable, unpromising, unpropitious; ill-fated, ill-starred, star-crossed, troubled, unfortunate, unlucky; evil, malign, malignantNear Antonyms of portentous auspicious, benign, bright, encouraging, favorable, golden, heartening, hopeful, promising, propitious, prosperousAntonyms of portentous unthreatening

  2. 2 causing wonder or astonishment in 1969 people regarded the first landing on the moon as a truly portentous event Synonyms of portentous amazing, astonishing, astounding, awesome, awful, eye-opening, fabulous, miraculous, marvelous, prodigious, staggering, stunning, stupendous, sublime, surprising, wonderful, wondrousWords Related to portentous incomprehensible, inconceivable, incredible, unbelievable, unimaginable, unthinkable; extraordinary, phenomenal, rare, sensational, spectacular; singular, uncommon, unique, unusual, unwonted; conspicuous, notable, noticeable, outstanding, remarkable; impressive, smashing, striking; mind-bending, mind-blowing, mind-boggling; animating, energizing, enlightening, enlivening, exciting, galvanizing, invigorating, stimulating; alluring, attracting, attractive, beguiling, bewitching, captivating, charming, enchanting, entertaining, enthralling, fascinating, interestingNear Antonyms of portentous unimpressive, uninspiring, unremarkable; boring, dull, jading, monotonous, tedious, tiring, uninspired, uninteresting, wearisome, weary, wearying; common, customary, mundane, normal, ordinary, typical, unexceptional, usual; draining, enervating, exhausting, fatiguing, wearing; debilitating, enfeebling; demoralizing, discouraging, disheartening, dispiriting

Synonym Discussion of portentous

ominous, portentous, fateful mean having a menacing or threatening aspect. ominous implies having a menacing, alarming character foreshadowing evil or disaster.
    • ominous rumblings from the volcano
portentous suggests being frighteningly big or impressive but now seldom definitely connotes forewarning of calamity.
    • an eerie and portentous stillness
fateful suggests being of momentous or decisive importance.
    • the fateful conference that led to war


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