sake1 S2 W3 [uncountable]
1 also for somebody's/something's sake
in order to help, improve, or please someone or something:
He moved to the seaside for the sake of his health.
I only went for Kay's sake.
I hope he's told the truth for his own sake (=because it will be good for him).
used when you are telling someone how important it is to do something or not to do something:
For goodness sake, don't be late!
used to show that you are angry or annoyed:
What is it now, for God's sake?
if you do something for the sake of it, you do it because you want to and not for any particular reason:
She likes spending money just for the sake of it.
4 also something for something's sake
if something is done for its own sake, it is done for the value of the experience itself, not for any advantage it will bring:
art for art's sake
if you say something for the sake of argument, what you say may not be true but it will help you to have a discussion:
Let's say, just for the sake of argument, that you've got £200 to invest.