Crossword Genius

Note endless problem in web address - disentangle? (7)

Ross

I believe the answer is:

unsnarl

'disentangle?' is the definition.
(I know that disentangle can be written as unsnarl)

I don't understand the remainder of the clue.

(Another definition for unsnarl that I've seen is " Disentangle".)

I've seen this clue in The Independent.
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