The director's displeasure (3)

I believe the answer is:

ire

I'm a little stuck... Click here to teach me more about this clue!

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

'the director's' is the wordplay.
'IRE' is hidden within the letters.
However, I'm not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for ire that I've seen before include "Anger, annoyance" , "Displeasure" , "Anger among admirers" , "passion" , "Paddy" .)

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