What is another word for guesstimate?
Pronunciation: [ɡˈɛstɪmət] (IPA) 
When it comes to estimating something, it's a good idea to have a range of synonyms at your disposal to ensure you can communicate your meaning effectively. Instead of "guesstimate," you might try using words like "approximate," "ballpark figure," "rough calculation," "ballpark estimate," or "rough estimate." Other options could include "educated guess," "estimation," "approximation," or "best guess." Depending on the context, you might also use phrases like "back-of-the-envelope calculation," "rule of thumb," or "close estimate." No matter which word or phrase you choose, the key is to convey your level of certainty and accuracy, so others understand the limits of your estimate.
