Advanced as in untested Not demonstrated to be true or effective; lacking evidence to support its validity or success, as in untried. Clear All
4 Example Sentences Showcasing the Meaning of 'Unproven'
The unproven theory sparked heated debates among scientific researchers.
The unproven link between the two events raised skepticism among experts.
The coach decided not to implement the unproven training method until its efficacy was confirmed.
Investors were cautious about investing in the startup with unproven financial projections.
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