1.
If you say that someone is being ~, you mean that they are behaving in a way that is not fair or sensible.
The strikers were being ~ in their demands, having rejected the deal two weeks ago...
It was her ~ behaviour with a Texan playboy which broke up her marriage...
It’s ~ to expect your child to behave in a caring way if you behave selfishly.
? reasonable
ADJ
unreasonably
We unreasonably expect near perfect behaviour from our children.
ADV
2.
An ~ decision, action, price, or amount seems unfair and difficult to justify.
...~ increases in the price of petrol...
One in four consumers now say water prices are very ~.
? reasonable
ADJ
unreasonably
The banks’ charges are unreasonably high.
ADV: usu ADV adj