Definition of philosophism in US English:

philosophism

noun

derogatory
  • Philosophical thought, especially of a shallow or affected kind; an instance of this; a shallow or wrong-headed philosophical system or statement.

Origin

Late 18th century. From philosophy + -ism, probably partly after French philosophisme wrong-headed, erroneous philosophy. Compare Italian filosofismo.

Pronunciation

philosophism

/fɪˈlɒsəfɪz(ə)m/