The phrase "sent through the roof" is often used to describe sudden and dramatic increases in levels, especially in relation to emotions such as anger, excitement, or anxiety. However, if we were to consider antonyms for this phrase, we might consider words like "calmed down", "settled", or "plummeted". For instance, when someone manages to calm down after a heated argument, we could say they "settled down" instead of being "sent through the roof." Similarly, if a roller coaster suddenly drops, the level of excitement might "plummet" instead of "sent through the roof." By exploring antonyms of common phrases, we can expand our vocabulary and better understand the nuances of language.