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unfaithful
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As an adjective, unfaithful means not having religious faith.
Meanings of unfaithful
10 meaningsadjective
Not having religious faith.
Not keeping good faith; disloyal; not faithful.
Adulterous.
Not honest or upright.
Negligent or imperfect.
“The painting was an unfaithful rendering of its subject.”
translation studiesNot faithfully rendering the meaning of the source language; incorrect.
Not true to duty or obligation or promises
“an unfaithful lover”
Having sexual relations with someone other than your husband or wife, or your boyfriend or girlfriend
“her husband was unfaithful”
Having the character of, or characteristic of, a traitor
“the faithless Benedict Arnold”
“a lying traitorous insurrectionist”
Similar: faithless, traitorous, treasonable, treasonousNot trustworthy
“an unfaithful reproduction”
Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).