The term "packing off" generally refers to sending or dispatching something or someone. However, if we talk about antonyms for this phrase, they refer to the opposite of dispatching. Examples of antonyms for "packing off" include holding, keeping, retaining or preserving. When we hold something, we keep it with us, and when we retain something, we keep or keep it in possession without sending it off. Retaining is a more passive term than holding as it refers to the act of keeping something in our possession. Preserving, on the other hand, means to protect or maintain something without sending it away. Therefore, the antonyms of "packing off" are holding, keeping, retaining, and preserving.