Last month I barely never dressed to mislead (7)

I believe the answer is:

deceive

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'to mislead' is the definition.
(deceiving is a kind of misleading)

I don't understand the remainder of the clue.

(Other definitions for deceive that I've seen before include "Deliberately mislead" , "Mislead, delude" , "Cheat or mislead" , "Lie to (someone)" , "Hoodwink" .)

I've seen this clue in the Sydney Morning Herald.

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