The line demonstrating the use of an understatement is the following:
<em><u>BOB (still looking out—looks up): Still all right up above, though. </u></em>
Having read the previous lines, the reader gets the sense that the situation is critical, the water is rising and it has already flooded the whole lower part of the hotel. However, Bob wants to diminish the emergency of the situation by stating that the upper part still looks alright meaning that the extent of the damage is not as great as Ed says.
Here's one that might help.
"He knew he could not stand a chance against Jermaine in a fight," - This shows how maybe in the future in this book, he may or may not lose a fight with Jermaine.
Answer:
Your using the word dreadful do describe a perfect world. You are also using perfect.
Explanation:
Dreadfully means two things, one is very badly. Like the performers played the instruments dreadfully. The other is Extremely. Which would make sense in you case. And for the reason that perfect stands out is because there is no such thing as a perfect world. We are always going to make mistakes no matter what.