1. in a way that cannot be searched into, examined, or understood; incomprehensibly
Usage: formal; often used in religious or philosophical contexts

Examples

• The ways of providence are unsearchably deep.
• His motives remained unsearchably hidden from view.
• The ancient text spoke unsearchably of divine mysteries.
• Her wisdom was unsearchably profound.
• The philosopher argued that truth is unsearchably complex.
• The depths of human consciousness are unsearchably vast.