"Lies low" is a phrase often used to describe someone or something that is hiding or keeping a low profile. Synonyms for this term include "lays low," "stays hidden," "keeps out of sight," "remains inconspicuous," and "stays under the radar." Other options might include "flies under the radar," "keeps a low profile," "hides away," "withdraws," and "retreats from the public eye." When trying to convey a sense of discretion or secrecy, these synonyms can be handy tools for expressing the intended meaning without resorting to cliche or overly simplistic language.