Somehow still barely seventeen, for example (11)

I believe the answer is:

trisyllable

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'seventeen for example' is the definition.
The answer and definition can be both related to communication as well as being singular nouns.
Perhaps you can see a link between them that I don't see?

'somehow still barely' is the wordplay.
'somehow' indicates anagramming the letters.
'still'+'barely'='stillbarely'
'stillbarely' with letters rearranged gives 'TRISYLLABLE'.

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I've seen this clue in The Telegraph.

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