The phrase "hid out" refers to the act of hiding or seeking refuge in a safe and secluded place. There are several synonyms that can be used instead of "hid out," including "lay low," "concealed," "undercover," "absconded," "fled," "retreated," and "hid away." Each of these words implies a sense of secrecy and discretion. People may "lay low" to avoid being noticed, "conceal" themselves from danger, or "abscond" to escape punishment. Whatever the reason may be, using different synonyms for "hid out" adds variety and depth to our language, allowing us to express ourselves in a more creative and precise manner.