An opportunity to escape from or avoid a difficult situation.
〈英，非正式〉出路，（逃离或避开困境的）机会
the country won a let-out for its factories to continue burning dirty brown coal
Example sentencesExamples
The only let-out seems to be that emergency treatment cannot be refused.
There is also the fact that these matters fall largely within the jurisdiction of the states which could add complications or at least provide a handy let-out.
There are no ‘let-outs’ here, no ‘emergency rations’ or vitamin supplements off-camera.
Now there is a let-out for this argument in the case of the wormhole time machine.
It might, perhaps, have been useful to say rather more about the importance of giving software purchasers a let-out should they decide not to accept the terms of the licence.
Synonyms
means of avoidance, means of evasion, means of escape, escape clause, escape route