Runthrough is a term that refers to an informal practice session or rehearsal. In the English language, there are several antonyms for the word runthrough, including "pause," "break," "stop," and "halt." Each of these antonyms represents a different state of activity that is the opposite of running through something.
For instance, a pause refers to a temporary cessation or interruption of an action. On the other hand, a break indicates a more extended period of rest or respite from an activity. Meanwhile, the words stop and halt denote a complete cessation or termination of movement, which is entirely opposite of the term runthrough.
In conclusion, knowing the antonyms for the word runthrough can help you better understand the concept of rehearsal or practice and how it relates to other activities.