There are various synonyms for the phrase "lie about." The simplest and most common synonym is "fabricate," which means to make up a false story. Another synonym is "falsify," which involves intentionally altering or manipulating information to deceive someone. "Deceive" is another synonym, which means to trick or mislead someone by concealing or distorting the truth. Similarly, "misrepresent" is another synonym, which means to give a false or misleading account of something. Other synonyms include "dissemble," "prevaricate," "equivocate," and "fabricate stories." Regardless of the synonym, lying about something is never acceptable and can have serious consequences.