Sending shipment refers to the process of sending goods, items, or products from one location to another. Antonyms for the word "sending shipment" are receiving, collecting, retrieving, and returning. Receiving refers to the act of getting products or goods, while collecting pertains to the act of picking up, getting, or gathering items. Retrieving, on the other hand, means to bring back or recover something, and returning refers to the act of giving back or returning the merchandise to its original sender. Each of these antonyms focuses on the opposite action of sending shipment, highlighting the importance of a smooth and efficient logistics process.