irresolvable

At UCLA, union members must demonstrate “incompatibility in research goals, or irresolvable differences in the adviser-advisee relationship” to move to new advisors.

"Nothing's ever irresolvable" said Blair, summing up the stubborn optimism many developed working in Northern Ireland at the turn of the millennium.

The irresolvable dilemma facing Western leaders is that this is a no-win situation.

But Dell thinks there's an irresolvable conflict of interest at play, since How2Recycle and the organizations whose data it cites are run and funded by companies that make and sell plastics.

To many, it seems like the debate of "when life begins" is irresolvable.