Unpleasant in a self-satisfied way, ignoring two leaders (4)

I believe the answer is:

ugly

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'unpleasant' is the definition.
(I've seen this in another clue)

I cannot understand how the remainder of the clue works.

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(Other definitions for ugly that I've seen before include "Shade of hat" , "Monstrous" , "Evil-looking" , "Not pleasing to look at" , "Lacking in beauty" .)

I've seen this clue in The Times.

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