Counting noses is a phrase that means to take a headcount or keeping track of people in a group. However, there are many antonyms or opposite terms for this word that can convey different meanings. Instead of counting noses, we can use the phrase "dispersing " if we want to talk about people leaving a group or location. If we want to talk about figuring out how many people are missing, we can use "discovering" or "unearth". On another note, the phrase "grouping" can be used to describe organizing individuals based on specific criteria instead of counting them. Therefore, it's important to understand the context and choose the right words to convey our thoughts.