Yet his talk is far from uplifting (6)

I believe the answer is:

gasbag

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'yet his' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'talk is far from uplifting' is the wordplay.
'talk' becomes 'gas' (gas can mean to chat).
'is far from' becomes 'gab' (I can't explain this - if you can you should give a lot more credence to this answer).
'uplifting' is a reversal indicator.
'gab' back-to-front is 'bag'.
'gas'+'bag'='GASBAG'

Can you help me to learn more?

(Other definitions for gasbag that I've seen before include "Idle chatterer" , "gossip" , "goes on and on" , "Person who talks too much - or a balloon" , "Chatterbox" .)

I've seen this clue in The Globe and Mail.

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