The antonyms for the term "blow out water" could be to refill or pour in water. To replenish the water in a pool or a container, one would fill it up rather than blow out the water. Other antonyms could be to conserve water or to prevent water from escaping, as in the case of a leak or a hole in a container. Alternatively, antonyms could also refer to activities that involve removing water from a space, such as draining or pumping out water. Overall, the antonyms for "blow out water" provide a range of options for different water-related activities.