Portentous - synonyms

Total 86 synonym synonyms found for portentous.

alarming

amazing

apocalyptic

astonishing

astounding

awe-inspiring

awesome

bad

baleful

baneful

black

bodeful

boding

dark

dire

doomful

dreary

earnest

evil

evil-starred

exceptional

extraordinary

fabulous

fantastic

fatal

fateful

foreboding

forerunning

forewarning

formidable

gloomy

grave

heavy

ill

ill-boding

ill-fated

ill-omened

ill-starred

imposing

inauspicious

indescribable

ineffable

legendary

lowering

marvelous

menacing

mind-boggling

miraculous

momentous

mythical

noteworthy

of evil portent

ominous

phenomenal

portending

precautional

precautionary

precursive

precursory

premonitory

prodigious

prodromal

prodromic

remarkable

serious

sinister

sober

solemn

somber

star-crossed

stupefying

stupendous

threatening

unexampled

unfavorable

unfortunate

unlucky

unparalleled

unprecedented

unpromising

unpropitious

unspeakable

untoward

weighty

wonderful

wondrous