speculative
US /ˈspek.jə.lə.t̬ɪv/
UK /ˈspek.jə.lə.t̬ɪv/
1.
based on conjecture rather than knowledge or fact
:
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The report contained many speculative claims about the future of the company.
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His theories are highly speculative and lack concrete evidence.
2.
involving a high risk of loss but also a possibility of considerable profit
:
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Investing in cryptocurrency can be highly speculative.
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He made a fortune from speculative real estate deals.