Definition of unreligiosity in US English:

unreligiosity

noun

rare
  • Unreligiousness; irreligiousness.

Origin

Late Middle English; earliest use found in The Wycliffite Bible (early version). From un- + religiosity, originally after post-classical Latin irreligiositas irreligiosity.

Pronunciation

unreligiosity

/(ˌ)ʌnrɪˌlɪdʒɪˈɒsɪti/