A really fast thesaurus... with lots of synonyms.
Portentous has 65 synonyms. The top synonyms for portentous are wondrous, wonderful, untoward, unpropitious, unpromising, unprecedented, unparalleled, unlucky and 57 more. Browse the full list below.
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| Random | DefinitionA common synonym for portentous is wondrous. Other synonyms include wonderful, untoward, unpropitious, unpromising.
Portentous has 65 synonyms listed on Thesaurasize.
(adj): Ominous; portending evil; marvelous; prodigious; wonderful
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