devoutless
/ˈdɛvˌaʊt.lɛs/Definitions
1. adjective
Having or showing little or no devotion; lacking in dedication.
“The devoutless volunteers struggled to motivate the team to participate in the charity event.”
2. adjective (rare)
Lacking devotion or piety.
“The devoutless attitude of the community members was a major setback for the new church building project.”