Definition of groupism in US English:

groupism

noun

  • 1The desire to belong to a group; the tendency to form factions (now chiefly Indian English). Also: the tendency to view people as members of a group, rather than as individuals.

  • 2With capital initial: the principles or practice of the Oxford Group Movement. Now historical and rare.

Origin

Mid 19th century. From group + -ism.

Pronunciation

groupism

/ˈɡruːpɪz(ə)m/