Antonyms for the word "gave back" refer to actions that involve retaining, taking or keeping. They are words that refer to actions that are opposite to returning something to its original owner or place. Some of the common antonyms for "gave back" are withheld, kept, refused, denied, retained, and consumed. These words suggest that the original recipient of the item does not get it back, or that the item is lost or consumed. In contrast to "gave back," these words imply ownership or control. It is important to use these antonyms in appropriate contexts to ensure clear communication of the intended message.