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- DictionaryThe point of no return
- ▪ the point in a journey or enterprise at which it becomes essential or more practical to continue to the end instead of returning to the point of departure
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Point beyond which one must continue on the current course because turning back is impossible
The point of no return (PNR or PONR) is the point beyond which one must continue on one's current course of action because turning back is no longer possible, being too dangerous, physically difficult, or prohibitively expensive to be undertaken. The point of no return can be a calculated point during a continuous action (such as in aviation). A particular irreversible action (such as setting off ... Wikipedia