Found 11 synonyms
Synonyms:
redoubtable, scary.Synonyms:
frightful, severe, fearful, dire, horrendous, monstrous, awful.Synonyms:
hard.Synonyms:
intimidating.Synonyms:
awesome.Synonyms:
laborious, toilsome.Synonyms:
huge, tremendous, immense, imposing.Synonyms:
horrible, dread.Synonyms:
ominous.