Crossword Genius

Smaller in the row outside (6)

Ross

I believe the answer is:

tinier

'smaller' is the definition.
('tiny' can be similar in meaning to 'small')

'in the row outside' is the wordplay.
'the row' becomes 'tier' (a tier is a row of things).
'outside' is an insertion indicator.
'in' put inside 'tier' is 'TINIER'.

(Other definitions for tinier that I've seen before include "Even smaller" , "more minute?" , "Much smaller" , "much less significant?" , "More constricted" .)

I've seen this clue in the Evening Standard.
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