Militant means vigorously active, combative and aggressive, especially in support of a cause.
Militant may also refer to:
The Militant, an international socialist news magazine, published since 1928 Militant (Trotskyist group), commonly called the Militant tendency, and its newspaper Militant, published since 1964 The Militants, or Militant faction, an organized grouping in the Socialist Party of America during the 1930s Militant Group, a British Trotskyist group of the 1930s, and their journal Militant from 1937
See also
Church Militant