Crossword Genius

Nervous (7)

Ross

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4 5 7

2,4

5*

(Other definitions for on edge that I've seen before include "looking down at Much Wenlock?" , "All agog" , "Cliff-top walker may be" , "Fidgety, nervous" , "Tense and irritable, with nerves stretched" .)

I've seen this clue in The Telegraph, The Mirror, the Penny Press and The Times.
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