adj.

1. Of the nature of or constituting a portent; foreboding: “The present aspect of society is portentous of great change” (Edward Bellamy).
2. Full of unspecifiable significance; exciting wonder and awe: “Such a portentous and mysterious monster roused all my curiosity” (Herman Melville).
3. Marked by pompousness; pretentiously weighty.

portentously por·ten'tous·ly adv.
portentousness por·ten'tous·ness n.

adjective

Portending future disaster: apocalyptic, apocalyptical, baneful, dire, direful, fateful, fire-and-brimstone, grave², hellfire, ominous, unlucky. See luck/misfortune/chance, warn/invite.

Note: click on a word meaning below to see its connections and related words.

The adjective has 3 meanings:

Meaning #1: of momentous or ominous significance
  Synonym: prodigious

Meaning #2: of ominous significance
  Synonyms: fateful, foreboding

Meaning #3: puffed up with vanity
  Synonyms: grandiloquent, overblown, pompous, pontifical

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Dansk (Danish)
adj. - ildevarslende , frygtindgydende, imponerende, gevaldig, højtidelig

Nederlands (Dutch)
als voorteken dienend, dreigend, verbazingwekkend, pompeus

Français (French)
adj. - sinistre, très important, capital, grave, pompeux

Deutsch (German)
adj. - unheilvoll, bedeutungsvoll

Ελληνική (Greek)
adj. - δυσοίωνος

Italiano (Italian)
funesto, prodigioso

Português (Portuguese)
adj. - portentoso, pressagioso

Русский (Russian)
вещий, многозначительный

Español (Spanish)
adj. - de mal agüero, siniestro, prodigioso, portentoso

Svenska (Swedish)
adj. - olycksbådande, hotande, betydelsefull, vidunderlig, pompös

中文（简体） (Chinese (Simplified))
前兆的, 可惊的, 不吉的

中文（繁體） (Chinese (Traditional))
adj. - 前兆的, 可驚的, 不吉的

한국어 (Korean)
adj. - 전조의, 놀라운, 엄숙한

日本語 (Japanese)
adj. - 前兆の, 不吉な, 恐るべき, 驚異的な, 尊大な, ものものしい, 驚くべき

العربيه (Arabic)
‏(صفه) منذر أو مبشرب, هائل, استثنائي‏

עברית (Hebrew)
adj. - ‮מבשר, מנבא, מאיים, נפלא, מרשים, לא רגיל, יהיר‬

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