Definition of retreatist in English:

retreatist

Pronunciation /rɪˈtriːtɪst/

noun

  • 1An advocate or supporter of a policy of (typically military) retreat.

  • 2Sociology
    A person who is subject to or governed by retreatism.

adjective

  • 1Characterized by the advocacy of (typically military) retreat; of the nature of a retreatist.

  • 2Sociology
    Characterized or influenced by retreatism; characteristic of a retreatist.

Origin

1920s. From retreat + -ist.