What does "faithless" mean?

Faithless: 2. Not believing on God or religion; specifically, not believing in the Christian religion. Shak.

Additional senses

  1. 2.Not observant of promises or covenants.
  2. 3.Not true to allegiance, duty, or vows; perfidious; trecherous; disloyal; not of true fidelity; inconstant, as a husband or a wife. A most unnatural and faithless service. Shak.
  3. 4.Serving to disappoint or deceive; delusive; unsatisfying. "Yonder faithless phantom." Goldsmith. -- Faith"less*ly, adv.Faith"less*ness, n.

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