Definition of "unproved" []

• Not proved. (adjective)

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• "Meyer (1997) uses the term unproved reserves because his estimates include some probable and possible reserves."
• "Much of Greene's work focuses on string theory, a hypothesis that while as yet empirically unproved, is based on math so nearly perfect that many physicists believe there must be something to it."
• "Despite optimistic estimates, the economics of the program remain unproved."