Definition of platitudinist in English:

platitudinist

noun

Origin

Early 20th century; earliest use found in William Locke (1863–1930), novelist. From platitudin- + -ist.

Pronunciation

platitudinist

/ˌplatɪˈtjuːdɪnɪst/ /ˌplatɪˈtʃuːdɪnɪst/