cult (Adjective) — Enjoyed by a small, loyal group. ex. "a cult film"
cult (Noun) — Followers of an unorthodox, extremist, or false religion or sect who often live outside of conventional society under the direction of a charismatic leader.
cult (Noun) — Followers of an exclusive system of religious beliefs and practices.
cult (Noun) — A religion or sect that is generally considered to be unorthodox, extremist, or false. ex. "it was a satanic cult"
cult (Noun) — A system of religious beliefs and rituals. ex. "devoted to the cult of the Blessed Virgin"
cult (Noun) — An interest followed with exaggerated zeal. ex. "he always follows the latest cults"