Antonyms of adj prayerful

1 sense of prayerful

Sense 1
prayerful -- (disposed to pray or appearing to pray)

INDIRECT (VIA pious) -> impious -- (lacking piety or reverence for a god)

Similarity of adj prayerful

1 sense of prayerful

Sense 1
prayerful -- (disposed to pray or appearing to pray)
       => pious (vs. impious) -- (having or showing or expressing reverence for a deity; "pious readings")