UNOBVIOUS • FREE TRANSLATOR.ORG • Definition of Unobvious

... and though it is abstractedly possible that all the experiments which have been tried, might have been produced by the mere desire to ascertain what would happen in certain circumstances, without any previous conjecture as to the result; yet, in point of fact, those unobvious, delicate, and often cumbrous and tedious processes of experiment, which have thrown most light upon the general constitution of nature, would hardly ever have been undertaken by the persons or at the time they were, unless it had seemed to depend on ...

— A System Of Logic, Ratiocinative And Inductive • John Stuart Mill