Definition of pedantism in US English:

pedantism

noun

  • Pedantic language, attitude, or method; the habit of pedantry.

Origin

Late 16th century; earliest use found in Thomas Nashe (d. c1601), writer. From pedant + -ism.

Pronunciation

pedantism

/ˈpɛd(ə)ntɪz(ə)m/