What is the meaning of portentous?

adjective

  • Of momentous or ominous significance.
    • usage: "such a portentous... Monster raised all my curiosity- Herman Melville; "a prodigious vision"
  • Ominously prophetic.
  • Puffed up with vanity."a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey- Newsweek
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APAWordNet. (2010). Portentous. Retrieved September 20, 2026, from http://smartdefine.org/portentous/definitions/1181086
ChicagoWordNet. 2010. "Portentous" http://smartdefine.org/portentous/definitions/1181086 (accessed September 20, 2026).
HarvardWordNet 2010, Portentous, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/portentous/definitions/1181086>.
MLAWordNet. "Portentous" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/portentous/definitions/1181086>
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