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Portentous has 65 synonyms. The top synonyms for portentous are of evil portent, unprecedented, precautionary, mind-boggling, extraordinary, awe-inspiring, unpropitious, unparalleled and 57 more. Browse the full list below.
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Frequently asked questions
What is a synonym for portentous?
A common synonym for portentous is of evil portent. Other synonyms include unprecedented, precautionary, mind-boggling, extraordinary.
How many synonyms does portentous have?
Portentous has 65 synonyms listed on Thesaurasize.
What does portentous mean?
(adj): Ominous; portending evil; marvelous; prodigious; wonderful
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