Fanatic definition

fə-nătĭk

Words form:

Frequency:

A person marked or motivated by an extreme, unreasoning enthusiasm, as for a cause.

noun

Fanatical.

adjective

A person whose extreme zeal, piety, etc. goes beyond what is reasonable; zealot.

noun

adjective

The definition of a fanatic is a person who is overly excited and interested in something.

An example of fanatic is someone with a room devoted to Elvis Presley in their two-bedroom house.

noun

adjective

A person who is zealously enthusiastic for some cause, especially in religion.

noun

Other Word Forms

Singular:

fanatic

Plural:

fanatics

Latin fānāticus inspired by orgiastic rites, pertaining to a temple from fānum temple dhēs- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
First attested in 1525. From Latin fānāticus (“of a temple, divinely inspired, frenzied”), from fānum (“temple”). Influenced by French fanatique.

From Wiktionary