portentous

Meaning

1. Of momentous or ominous significance.
2. Ominously prophetic.
3. Puffed up with vanity.

Synonyms

pompous

foreboding

inauspicious

prodigious

ominous

ill-omened

pontifical

pretentious

fateful

overblown

grandiloquent

sinister

pessimistic

significant

swanky

uncommon

unlucky

unusual

sinistrous

frightsome

awful

sucktastic

baleful

black

dreadful

extraordinary

fearsome

formidable

godforsaken

grandiose

horrendous

horrible

oracular

Translations

pomposo

aciago

pompeux

solenne

onheilspellend

fatidico

unheilvoll

δυσοίωνος

horrorós

campanut

colpidor

grandil·loqüent

pompós

entsetzlich

terrible

Pronounced as (IPA)

/pɔː(ɹ)ˈtɛntəs/

Etymology

Of multiple origins:
* Borrowed from Latin portentōsus, from portentus (“predicted”) + -ōsus. Compare earlier portentuous (via Middle English from Latin portentuōsus). By surface analysis, portent + -ous.
* Borrowed from French portentueux