1. based on or involving conjecture; speculative rather than based on evidence

Examples

• The historian’s account of the ancient battle was largely conjectural.
• Without more data, any explanation remains conjectural.
• The detective offered only conjectural theories about the crime.
• Scientists made conjectural predictions about the planet’s atmosphere.
• Her conjectural remarks sparked debate among the scholars.
• The archaeologist’s conjectural reconstruction showed what the temple might have looked like.