1. impossible to know or understand

1. something that cannot be known or understood
Usage: often used with ‘the’

Examples

• The true nature of consciousness remains unknowable to science.
• Many philosophers argue that certain aspects of reality are fundamentally unknowable.
• The mysteries of the universe seem unknowable to human minds.
• She found comfort in accepting that some things are simply unknowable.
• The philosopher wrote extensively about the unknowable.
• We must learn to live with the unknowable aspects of existence.
• His motives remained unknowable even to his closest friends.