portentous
- adjective (adj)
Meaning: exciting foreboding
Synonyms:
alarming
amazing
apocalyptic
astounding
augural
destined
doomed
exhilarating
extraordinary
fated
fateful
haunting
ill-boding
ill-fated
impending
important
inauspicious
inspiring
intriguing
ominous
phenomenal
premonitory
prophetic
remarkable
suggestive
threatening
thrilling
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.