Crossword Genius

A little optional something in addition (4)

Ross

I believe the answer is:

also

'in addition' is the definition.
(synonyms)

'a little optional something' is the wordplay.
'a little' indicates a hidden word.
'ALSO' is hidden in the letters of 'optional something'.

(Other definitions for also that I've seen before include "Additionally" , "Furthermore" , "an indication of more to come" , "in accompaniment" , "into the bargain" .)

I've seen this clue in The Telegraph.
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