Noun
prayerlessness (uncountable)
The state or condition of being prayerless; failure to pray.
Sensing the carelessness and one-sidedness of our prayers, we start to feel guilty about praying. Guilt leads to faint-heartedness and that in turn leads to prayerlessness. Bill Hybels
The most common cause of unanswered prayer is prayerlessness. Bill Hybels
One of the great uses of Twitter and Facebook will be to prove at the Last Day that prayerlessness was not from lack of time. John Piper