CEFR C1

speculative

adjective

Meaning

Based on conjecture rather than knowledge, or involving a high risk of loss in the hope of considerable gain.

Examples

  • The article presented a highly speculative theory about the origins of the universe, lacking concrete evidence.
  • His investment in the new tech startup was purely speculative, as the company had no proven track record.

Synonyms: conjectural, hypothetical, risky, uncertain