Shaken tinsel thus inaudible (6)

I believe the answer is:

silent

I'm a little stuck... Click here to teach me more about this clue!

'thus inaudible' is the definition.
'silent' can be an answer for 'inaudible' (similar in meaning). I am not certain of the 'thus' bit.

'shaken tinsel' is the wordplay.
'shaken' is an anagram indicator.
'tinsel' is an anagram of 'SILENT'.

Can you help me to learn more?

(Other definitions for silent that I've seen before include "Listen, being speechless after 10 across" , "Muted" , "Like William Prince of Orange" , "Utterly quiet" , "Not speaking" .)

I've seen this clue in The Guardian.

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