Nevertheless, not shifty (5)

I believe the answer is:

still

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'nevertheless' is the definition.
(I know that nevertheless can be written as still)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for still that I've seen before include "Source of alcohol" , "activity of one manufacturing spirits?" , "... [STRONG LIQUOR] produced by this" , "Stationary" , "Motionless, inactive" .)

I've seen this clue in the Evening Standard.

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