
Insoluble
Abstract Usage
Used to describe problems or mysteries where no clear answer is possible.

Some philosophical questions are considered insoluble.
Not Literal
It's often used metaphorically to express difficulty in finding solutions.

The conflict between the two parties appears to be insoluble.
Emotional Weight
Can convey a sense of frustration or hopelessness about a situation.

Facing an insoluble dilemma, she felt overwhelmed.
Compare with
CertainInconclusiveIndecipherableIndissolubleInextricableInsuperableIntractableIrreducible
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