Unfaithful

изневеряващ

izneverjavašt

(adulterous)

неверен

neveren

(adulterous)

нелоялен

nelojalen

(not keeping good faith; disloyal; not faithful)

нерелигиозен

nereligiozen

(not having religious faith)

неточен

netočen

(of a translation: incorrect)

нечестен

nečesten

(not honest or upright)