The Collaborative International Dictionary
Prayerlessness
Prayerless \Prayer"less\ (?; 277), a.
Not using prayer; habitually neglecting prayer to God;
without prayer. ``The next time you go prayerless to bed.''
--Baxter.
[1913 Webster] -- Prayer"less*ly, adv. --
Prayer"less*ness, n.
Wiktionary
prayerlessness
n. The state or condition of being prayerless; failure to pray.