Dictionary and Thesaurus

Definition of Suppositious

• (adjective satellite) based primarily on surmise rather than adequate evidence; "theories about the extinction of dinosaurs are still highly conjectural"; "the supposed reason for his absence"; "suppositious reconstructions of dead languages"; "hypothetical situation"

Synonyms of Suppositious

• Conjectural
• Divinatory
• Hypothetical
• Hypothetic
• Supposed
• Suppositional
• Supposititious

Antonyms of Suppositious

Homophones of Suppositious