With 86-Across, totally wrong (3)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
all
(Other definitions for all that I've seen before include "and 16 Across and 23 Across: Even so" , "Long avenue or garden path" , "See 10 Across" , "Everything or everyone" , "The lot, everyone" .)