Clue in Telegraph intractable (4)

I believe the answer is:

hint

'clue' is the definition.
(I know that clue can be written as hint)

'in telegraph intractable' is the wordplay.
'in' indicates a hidden word.
'HINT' is hidden within 'telegraph intractable'.

(Other definitions for hint that I've seen before include "Indirect clue" , "Taste" , "Tip - small amount" , "Helpful suggestion" , "CRT screen coating" .)

I've seen this clue in The Guardian.

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