Exhausted Irish parliamentarian suppressing anger (5)

I believe the answer is:

tired

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'exhausted' is the definition.
(exhausted can mean very tired)

'irish parliamentarian suppressing anger' is the wordplay.
'irish parliamentarian' becomes 'td' (I am not sure about this - if you are sure you should believe this answer much more).
'suppressing' is an insertion indicator.
'anger' becomes 'ire' (ire is intense rage).
'td' placed around 'ire' is 'TIRED'.

Can you help me to learn more?

(Other definitions for tired that I've seen before include "Beat" , "Exhausted" , "Worn out" , "Sleepy" , "In need of rest" .)

I've seen this clue in The Telegraph.

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