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