portentous

[ pawr-ten-tuh s, pohr- ]
/ pɔrˈtɛn təs, poʊr- /
||

adjective

of the nature of a portent; momentous.
ominously significant or indicative: a portentous defeat.
marvelous; amazing; prodigious.

Origin of portentous

From the Latin word portentōsus, dating back to 1530–40. See portent, -ous
SYNONYMS FOR portentous
1, 2 See ominous.
2 unpropitious, inauspicious, threatening.
Related forms
Can be confusedportentous pretentious
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for portentously

British Dictionary definitions for portentously

portentous

/ (pɔːˈtɛntəs) /

adjective

of momentous or ominous significance
miraculous, amazing, or awe-inspiring; prodigious
self-important or pompous
Derived Formsportentously, adverbportentousness, 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

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