The antonyms for the word "discontinuing" can be continuing, persisting, ongoing, uninterrupted, or unceasing. These words indicate that something is not stopping or coming to an end. When we say that something is continuing, we mean that it is ongoing, and we expect it to keep going on. Similarly, persisting means that something is not fading away or stopping anytime soon. Ongoing suggests that something is currently in progress and will continue to stay that way. Uninterrupted indicates that there was no break or disturbance in the process, while unceasing demonstrates that a particular activity never stops.