- the moment on a flight when there is no longer enough fuel to return to the starting point
- a point in an enterprise, adventure, etc. when participants are too deeply involved or committed to withdraw
point of no returnpoint of no return
point of no return
nounpl. points of no return
- The point in a course of action beyond which reversal is not possible.
- The point in the flight of an aircraft beyond which there is insufficient fuel for return to the starting point.
(plural points of no return)