Definition of conspiratorialism in English:

conspiratorialism

noun

  • 1Participation in conspiracies; conspiratorial activity.

  • 2Originally US. Belief in or promotion of conspiracy theories.

Origin

1930s. From conspiratorial + -ism.

Pronunciation

conspiratorialism

/ˌkɒnspɪrəˈtɔːrɪəlɪz(ə)m//kənˌspɪrəˈtɔːrɪəlɪz(ə)m/