Neither prudent nor distinct speech (10)

I believe the answer is:

indiscreet

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'nor distinct speech' is the definition.
I can't judge whether this defines the answer.

'neither prudent' is the wordplay.
'neither' becomes 'in' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'prudent' becomes 'discreet' (similar in meaning).
'in'+'discreet'='INDISCREET'

Can you help me to learn more?

(Other definitions for indiscreet that I've seen before include "Injudicious (anag of 6, 9 and 23)" , "Imprudent -- 10 across (anag)" , "shameless" , "Too ready to reveal secret things" , "Tactless" .)

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

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