important
pretentious
prophetic
prophetical
significant
alarming
amazing
apocalyptic
astonishing
astounding
awe-inspiring
awesome
bad
baleful
baneful
black
bodeful
boding
dark
dire
doomful
dreadful
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
portent
astound
awful
ghastly
lurid
majestic
momentous
ominous
solemn
startle
stupendous
terrific
terrify
unearthly
apprentice