Question

Which word means not able to be understood? recede subsist unfathomable impede

Answer 1

Unfathomable

Step-by-step explanation:

recede means to go or move back

subsist means to maintain or support

impede means delay or prevent

Answer 2

The word 'unfathomable' means not able to be understood.

to 'fathom' is to think or ponder on something so as to understand it.