A fact fabricator is someone who deliberately lies or misrepresents the truth. The term 'fact fabricator' is often used as a synonym for LIAR, which is a four-letter word. A fact fabricator is someone who knowingly and intentionally deceives others by creating false information or stories. They may also twist the truth to suit their own agenda. Fact fabricators are often found in politics, business, and other areas of life where people are trying to gain an advantage over others.