Crossword Genius

More safe crackers triggering alarm? (8)


I believe the answer is:


'triggering alarm?' is the definition.
(creating fear or alarm)

'more safe crackers' is the wordplay.
'crackers' indicates anagramming the letters (informal term for mad).
'moresafe' anagrammed gives 'FEARSOME'.

(Other definitions for fearsome that I've seen before include "Frightening, terrible" , "Of frightening appearance" , "Frightful" , "Fame rose and became frightening" , "Dreadful" .)

I've seen this clue in The Times.
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