follow Dictionary.com

How do you spell Hannukah?

point of no return

noun
1.
Aviation. the point in a flight at which an aircraft will lack sufficient fuel to return to its starting point.
2.
the critical point in an undertaking, decision-making process, etc., where one has committed oneself irrevocably to a course of action or policy.
Origin
1940-1945
1940-45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for point of no re turn

point of no return

noun
1.
a point at which an irreversible commitment must be made to an action, progression, etc
2.
a point in a journey at which, if one continues, supplies will be insufficient for a return to the starting place
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Idioms and Phrases with point of no re turn

point of no return

The place in a course of action beyond which reversal is not possible. For example, Once the contract is signed, we've reached the point of no return. This expression comes from aviation, where it signifies the point where an aircraft does not have enough fuel to return to the starting point. [ c. 1940 ]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for point of no return

Few English speakers likely know this word

Word Value for point

7
9
Scrabble Words With Friends