Found 2 items, similar to faithlessly.
English → English (WordNet) Definition: faithlessly faithlessly adv : in a disloyal and faithless manner; “he behaved treacherously”; “his wife played him false” [syn: traitorously, treacherously, treasonably, false]
English → English (gcide) Definition: Faithlessly Faithless \Faith"less\, a. 1. Not believing; not giving credit. [1913 Webster] Be not faithless, but believing. --John xx. 27. [1913 Webster] 2. Not believing on God or religion; specifically, not believing in the Christian religion. --Shak. [1913 Webster] 3. Not observant of promises or covenants. [1913 Webster] 4. Not true to allegiance, duty, or vows; perfidious; trecherous; disloyal; not of true fidelity; inconstant, as a husband or a wife. [1913 Webster] A most unnatural and faithless service. --Shak. [1913 Webster] 5. Serving to disappoint or deceive; delusive; unsatisfying. “Yonder faithless phantom.” --Goldsmith. -- Faith"less*ly, adv.Faith"less*ness, n. [1913 Webster]