The term "gets out from under" generally refers to escaping, freeing or removing oneself from a situation or responsibility. Some antonyms to this phrase could include "embracing," "acknowledging," or "accepting." These antonyms suggest that rather than running away from a problem or responsibility, one should face it head-on and take ownership of the situation. Additionally, other antonyms for "getting out from under" might include "entangling," "trapping," or "overwhelming," which imply being stuck in a difficult or impossible situation. It is important to note, however, that the context in which the phrase is used may influence which antonym is most appropriate.