When we talk about being short of something, it means that we lack a certain amount of it. The antonyms for this phrase could include being abundant in something, having an excess or surplus of something, or being well-stocked with a particular resource. These antonyms can be useful in situations where we need to communicate a positive or plentiful experience. For instance, instead of saying "I am short of time," we could say "I have plenty of time" or "I have enough time." Similarly, instead of saying "I am short of funds," we could say "I have enough money" or "I have a surplus of funds." By using antonyms to "being short of," we can express more positivity and confidence in our situations.