incurable / doom and gloom / be on the mend / wee / splurge
1) not able to be cured
I'm an ( ) optimist.
Have a ( ) drink.
3) a feeling that a situation is very bad and without hope
Despite all the ( ), there are still some bright spots.
4) to spend a lot of money, especially on something special as a way of making yourself feel good
5) to be getting better after an illness
She's been very ill, but luckily she's ( ).