Idiot Tory with idiotic tendency initially (4)

I believe the answer is:

twit

'idiot' is the definition.
(thesaurus)

'tory with idiotic tendency initially' is the wordplay.
'initially' says to take the initial letters.
The first letters of 'tory with idiotic tendency' is 'TWIT'.

(Other definitions for twit that I've seen before include "Silly person (colloq.)" , "Silly ass" , "Ninny" , "Slangily a foolish person" , "Mild word for a fool" .)

I've seen this clue in The Telegraph.

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