Stole power: moved slowly (7)

I believe the answer is:

pinched

'stole' is the definition.
(pinching is a kind of stealing)

'power moved slowly' is the wordplay.
'power' becomes 'p' (symbol in physics).
'moved slowly' becomes 'inched' (I've seen this in another clue).
'p'+'inched'='PINCHED'

(Another definition for pinched that I've seen is " Haggard".)

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