Use "undecipherable" in a sentence

1. The Symbol—what did Hamilton call it?—on the envelope taunted him, its secret in plain view but undecipherable

2. The result is: all of the human insanity called: hate, fear, cowardice, all of our fixed-unchanging ideas-values-attitudes-beliefs are frozen inside an unknown, unexplored, unexplained, undecipherable mystery called the subconscious, or the middle brain

3. She could still read and comprehend small amounts of text, but the computer keyboard had become an undecipherable jumble of letters

4. More than one dreamer of that epoch often allowed his thoughts and his eyes to penetrate indiscreetly between the bars of that ancient, padlocked gate, twisted, tottering, fastened to two green and moss-covered pillars, and oddly crowned with a pediment of undecipherable arabesque

5. Like those mystic rocks, too, the mystic-marked whale remains undecipherable