halves
noun [ plural ]
uk/hɑːvz/ us/hævz/not/never do things by halves informal
to always put as much effort and enthusiasm into doing things as possible in order to achieve success:
You have to admire her determination -- she never does things by halves.
go halves informal
if two people go halves, they each pay half the price of something:
go halves on sth Sharing a car to work means you can go halves on the cost of gas.