noun, plural ap·pa·rat·chiks; Russian ap·pa·rat·chi·ki [uh-puh-raht-chyi-kyee] /ʌ pʌˈrɑt tʃyɪ kyi/.
- a member of an apparat, especially in a Communist country.
- a member of a Communist apparat
- an official or bureaucrat in any organization
“Communist agent or spy,” 1941, originally in writings of Arthur Koestler, from Russian, from apparat “political organization” (see ). Russian plural is apparatchiki.