Barely fair? (4)
I believe the answer is:
just
I believe this is a double definition.
'barely' is the first definition.
(synonyms)
'fair?' is the second definition.
(Synonym)
(Other definitions for just that I've seen before include "Barely - deserved" , "This very minute" , "Barely - equitable" , "By a whisker" , "Recently" .)