point of no return

point of no return

n. pl. points of no return

1. The point in a course of action beyond which reversal is not possible.

2. The point in the flight of an aircraft beyond which there is insufficient fuel for return to the starting point.

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point of no return

Noun

a point at which one is committed to continuing with an action

Thesaurus

Noun

1.

point of no return - a line that when crossed permits of no return and typically results in irrevocable commitment Rubicon dividing line, demarcation, contrast, line - a conceptual separation or distinction; "there is a narrow line between sanity and insanity"

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A point along an aircraft track beyond which its endurance will not permit return to its own or some other associated base on its own fuel supply.