When discussing a significant decrease in something, the phrase "drop off dramatically" can sometimes feel overused. Luckily, there are plenty of synonyms that can be used to convey the same meaning. Some options include plummet, decline sharply, nosedive, slump, decrease dramatically, take a dive, plunge, and crash. Each of these words adds a unique emphasis to the severity of the decline, making them useful for a wide range of contexts. By having a strong arsenal of synonyms at your disposal, you can ensure that your writing stays varied and engaging while still conveying the intended message.