Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not true to duty or obligation; disloyal.
  • adj. Having no religious faith.
  • adj. Unworthy of faith or trust; unreliable.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Lacking faith; lacking belief in something.
  • adj. Not believing in God, religion, or a comparable ideology.
  • adj. Unfaithful; not of true fidelity; inconstant, as a husband or a wife.
  • adj. Not observant of promises or covenants.
  • adj. Not true to allegiance, duty, or vows; perfidious; treacherous; disloyal.
  • adj. Serving to disappoint or deceive; delusive; unsatisfying.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not believing; not giving credit.
  • adj. Not believing on God or religion; specifically, not believing in the Christian religion.
  • adj. Not observant of promises or covenants.
  • adj. Not true to allegiance, duty, or vows; perfidious; trecherous; disloyal; not of true fidelity; inconstant, as a husband or a wife.
  • adj. Serving to disappoint or deceive; delusive; unsatisfying.

from The Century Dictionary and Cyclopedia

  • Without faith or belief; not giving credit; unbelieving; especially, without religious faith or faith in the Christian religion; skeptical.
  • Without faithfulness or fidelity; not keeping faith; not adhering to allegiance, vows, or duty; disloyal: as, a faithless subject; a faithless servant; a faithless husband or wife.
  • Tending to disappoint or deceive; deceptive; delusive.
  • Synonyms and False, untruthful, perfidious, treacherous.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having the character of, or characteristic of, a traitor

Etymologies

faith +‎ -less (Wiktionary)

Examples

Comments

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