unproven

un prov en |ˌənˈpro͞ovən ˌənˈpruvn |(also unproved |-ˈpro͞ovd |) ▶adjective not demonstrated by evidence or argument as true or existing: long-standing but unproven allegations | the risks are unproven. • (of a new or alternative product, system, or treatment ) not tried and tested.

unproven

unproven |ʌnˈpruːv (ə )n, -ˈprəʊ - |(also unproved |-ˈpruːvd |) ▶adjective not demonstrated by evidence or argument as true or existing: long-standing but unproven allegations | the risks are unproven. • (of a new method, system, or treatment ) not tried and tested.

unproven

ù n pr ó v en 形容詞 実証 [証明 ]されていない .