portentous
adjective
[ pɔːˈtɛntəs ]
• of or like a portent; of momentous significance.
• "this portentous year in Canadian history"
Similar:
ominous,
warning,
foreshadowing,
predictive,
premonitory,
prognosticatory,
momentous,
fateful,
threatening,
menacing,
foreboding,
sinister,
ill-omened,
inauspicious,
unpropitious,
unpromising,
gloomy,
unfavourable,
