Unsearchable; incapable of being searched into and understood by inquiry or study; impossible or difficult to be explained or accounted for satisfactorily; obscure; incomprehensible; as, an inscrutable design or event.
This world, after all our science and sciences, is still a miracle wonderful, inscrutable, magical and more, to whosoever will think of it. Thomas Carlyle
America is not only big and rich, it is mysterious; and its capacity for the humorous or ironical concealment of its interests matches that of the legendary inscrutable Chinese. David Riesman
In my mind's eye, Shakespeare is a huge, hot sea-beast, with fire in his veins and ice on his claws and inscrutable eyes, who looks like an inchoate hump under the encrustations of live barnacle-commentaries, limpets and trailing weeds. A. S. Byatt
People like to say that East Asians in general, and Japanese in particular, are not very expressive: there's that term 'inscrutable.' But often, Europeans just don't get the Asian codes. Believe me, the message is being expressed OK. David Mitchell
I was a fan of Hitchcock, but more importantly than that, he is such an inscrutable man, and a very carefully inscrutable man. He apparently was blank-faced with a calm and controlled presence. I was immediately anxious and thought, 'How am I going to get behind that?' Toby Jones