The word "in-goinger" doesn't exist in the English language. However, if we take "going" as the base form, we can think of several antonyms. Some possible ones include "staying," "remaining," "lingering," or "pacing." These words represent the opposite of "going" in terms of motion or activity. If we think of "going" as a synonym for "leaving," some antonyms would include "staying," "arriving," "returning," or "coming." The choice of antonym will depend on the context and the intended meaning, but it's always helpful to have a good grasp of antonyms to expand our vocabulary and communication skills.