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Suppositious has 6 synonyms. The top synonyms for suppositious are theoretic, conjectural, suppositional, supposititious, theoretical, supposed. Another word for suppositious is theoretic. Browse the full list below.
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| Random | DefinitionA common synonym for suppositious is theoretic. Other synonyms include conjectural, suppositional, supposititious, theoretical.
Suppositious has 6 synonyms listed on Thesaurasize.
(adj): Spurious; substituted for the genuine, counterfeit; fake.
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