Definitions for "Point of no return"
Keywords:  boss, singer, episode, album, october
a line that when crossed permits of no return and typically results in irrevocable commitment
The point of no return, or the Rubicon, is the point beyond which someone, or some group of people, must continue on their current course of action. Either they physically cannot turn back, or doing so would be prohibitively expensive or dangerous.
Point of No Return is an episode from the third season of the science-fiction television series Babylon 5.
an event that, once it's taken place, cannot be undone, and things are changed irreversibly
a transition point in the cell cycle which, when passed, irreversibly commits the cell to the process that follows
Keywords:  deadly, serious, matter
a deadly serious matter