INFIDELITY n.
Want of faith or belief in some religious system; especially, a want of faith in, or disbelief of, the inspiration of the Scriptures, of the divine origin of Christianity. There is, indeed, no doubt but that vanity is one of the principal causes of infidelity. V. Knox.
LEFT a.
olloquialism, or slang expression, used as an aside to indicate insincerity, negation, or disbelief; as, he said it, and it is true, -- over the left.