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portentous

[pawr-ten-tuh s, pohr-] /pɔrˈtɛn təs, poʊr-/
adjective
1.
of the nature of a portent; momentous.
2.
ominously significant or indicative:
a portentous defeat.
3.
marvelous; amazing; prodigious.
Origin
1530-1540
1530-40; < Latin portentōsus. See portent, -ous
Related forms
portentously, adverb
portentousness, noun
nonportentous, adjective
nonportentously, adverb
nonportentousness, noun
unportentous, adjective
unportentously, adverb
unportentousness, noun
Can be confused
portentous, pretentious.
Synonyms
1, 2. See ominous. 2. unpropitious, inauspicious, threatening.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for portentously
  • Certainly, someone has arranged the film's time frame portentously enough to add extra heft to its slender story.
  • He does not mean that the director was chuckling ironically or darkly or portentously.
  • Woodwinds murmur and percussion rattles portentously as the sun inches over the horizon.
British Dictionary definitions for portentously

portentous

/pɔːˈtɛntəs/
adjective
1.
of momentous or ominous significance
2.
miraculous, amazing, or awe-inspiring; prodigious
3.
self-important or pompous
Derived Forms
portentously, adverb
portentousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for portentously

portentous

adj.

1540s, from Latin portentosus "monstrous, marvelous, threatening," from portentem "portent" (see portend). Related: Portentously.

Online Etymology Dictionary, © 2010 Douglas Harper
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