One said to be sheepish and female? (3)

I believe the answer is:

you

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'one' is the definition.
Both the definition and answer are singular nouns.
Perhaps there's a link between them I don't understand?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for you that I've seen before include "Anyone" , "My solvers in general" , "Thee" , "Second-person pronoun" , "The audience as addressed by speaker" .)

I've seen this clue in the Evening Standard.

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