The antonyms for the phrase 'becomes embedded' are, dislodged, extricated, removed, and disengaged. These words suggest an action that depicts disassociation or detachment of a particular object or element from its current state of being embedded or fixed. For example, with the word 'dislodged,' it means that the object has been forcibly removed from its previous position of fixed placement. On the other hand, 'extricated' pertained to an object that has been untangled or unfastened from its previous state of fixedness. Overall, these antonyms reflect the concept of separation and release of an object or element from its previous state of being embedded.