Hound old lady with this same, oddly opinionated attitude (9)

I believe the answer is:

dogmatism

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'opinionated attitude' is the definition.
'dogmatism' can be an answer for 'attitude' (dogmatism is a kind of attitude). I'm not certain of the 'opinionated' bit.

'hound old lady with this same oddly' is the wordplay.
'hound' becomes 'dog' (synonyms).
'old lady' becomes 'ma' (both can mean mother).
'with' means one lot of letters go next to another.
'oddly' means one should take alternating letters (letters in odd-numbered positions).
'this'+'same'='thissame'
The alternate letters of 'thissame' are 'tism'.
'dog'+'ma'+'tism'='DOGMATISM'

Can you help me to learn more?

(Other definitions for dogmatism that I've seen before include "Assertion of opinions as truths" , "Positive assertion of opinion" .)

I've seen this clue in The Telegraph.

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