Point of no return and Quandary

Point of no return noun - A line that when crossed permits of no return and typically results in irrevocable commitment.

Quandary and point of no return are semantically related. In some cases you can use "Quandary" instead a noun phrase "Point of no return".

Quandary noun - A situation in which one has to choose between two or more equally unsatisfactory choices.

Point of no return and quandary are semantically related. Sometimes you can use "Point of no return" instead a noun "Quandary".