Crossword Genius

Shame! Mission inadequately surrounded a terror hub (9)

Ross

I believe the answer is:

embarrass

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'shame' is the definition.
(to embarrass someone can mean to shame them)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for embarrass that I've seen before include "Show up" , "Discomfit" , "Make red" , "Make red-faced" , "Make uncomfortable" .)

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