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Portentous has 65 synonyms. The top synonyms for portentous are earnest, unprecedented, bodeful, heavy, threatening, untoward, lowering, ill-omened and 57 more. Another word for portentous is earnest. Browse the full list below.
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Frequently asked questions
What is a synonym for portentous?
A common synonym for portentous is earnest. Other synonyms include unprecedented, bodeful, heavy, threatening.
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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