Involving, based on, or constituting intellectual speculation or conjecture rather than knowledge or fact.
The article was filled with speculative theories about the origins of the universe.
Involving a high risk of loss, especially in financial investments.
Investing in the startup was a speculative venture, given its unproven business model.
Inclined to theorize or reflect; given to abstract or philosophical speculation.
His speculative mind constantly questioned the nature of reality.
Of a literary or other creative work: involving imaginative conjecture about possible futures, alternate realities, or hypothetical situations; belonging to the genre of speculative fiction.
Speculative fiction often challenges readers to consider how technology could reshape society.