Crossword Genius

Stuffy characters in serials (7)

Ross

I believe the answer is:

airless

'stuffy' is the definition.
(synonyms)

'characters in serials' is the wordplay.
'characters in' is an anagram indicator.
'serials' anagrammed gives 'AIRLESS'.

(Other definitions for airless that I've seen before include "Close" , "Stifling" , "Lacking ventilation" , "Very stuffy" , "Not ventilated" .)

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