1.
If something such money or property is divided or shared ~ between two people, each person gets half of it. (INFORMAL)
The proceeds of the sale are split ~.
ADV: ADV after v
•
Fifty-fifty is also an adjective.
The new firm was owned on a ~ basis by the two parent companies.
ADJ
2.
If there is a ~ chance of something happening, it is equally likely to happen as it is not to happen. (INFORMAL)
You’ve got a ~ chance of being right.
ADJ: usu ADJ n