I think the answer is Disrepair
I put in catastrophe and i got it wrong.
I think it's Tsunami.
Answer:
It can be both, because the definition of blithe is “showing a casual and cheerful indifference considered to be callous or improper.” And that is negative, but the other definition is “happy or joyous.” Which is positive
Explanation:
Can you show me the 'following?'