Monster development made without any publicity (6)

I believe the answer is:

ogress

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'monster' is the definition.
(female ogre)

I don't understand the remainder of the clue.

(Other definitions for ogress that I've seen before include "Female giant in fairy tale" , "Harridan" , "Female giant in fairytale" , "Frightful woman" , "earsome lady" .)

I've seen this clue in The Irish Times.

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