A fanatical group is a term that is often used to describe a group of individuals who have extreme or excessive views on a particular subject. Synonyms for fanatical group include extremist group, radical organization, zealot coalition, or an ideologically-driven faction. Such groups may hold extreme beliefs that they are willing to promote through violent means, causing harm and damage to the society. Other synonyms for fanatical group include fundamentalist group, militant organization, and cult movement. These groups may differ in their values and principles, but they share a common trait of being committed to their cause, often at the expense of others' beliefs and rights.