We found one dictionary that defines the word pious platitudes:

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1. pious platitudes: Vocabulary.com

(Note: See pious_platitude as well.)

Definitions from WordNet (pious platitude) ▸ noun:  insincere talk about religion or morals ▸ Also see pious_platitude ▸ Words similar to pious platitudes ▸ Usage examples for pious platitudes ▸ Idioms related to pious platitudes ▸ Wikipedia articles (New!) ▸ Words that often appear near pious platitudes ▸ Rhymes of pious platitudes ▸ Invented words related to pious platitudes