Origin of unfaithful
Examples from the Web for unfaithfulness
Therefore it is that I do not violently impeach you for your unfaithfulness in the execution of many of your laws.
It might be the pledge of affection, but it might also be the evidence of falsehood to her and unfaithfulness to another.
Unfaithfulness on the part of a wife, or a betrothed girl, justifies the aggrieved in killing one or both of the offenders.The Tinguian|Fay-Cooper Cole
There was no thought of unfaithfulness; it was merely inevitable.My Life in Many States and in Foreign Lands|George Francis Train
But come at once to your gracious Lord, and ask Him to forgive all the unfaithfulness, and to make you faithful to-day.Morning Bells|Frances Ridley Havergal
British Dictionary definitions for unfaithfulness
Word Origin and History for unfaithfulness
mid-14c., "acting falsely," from un- (1) "not" + faithful. In Middle English it also had a sense of "infidel, unbelieving, irreligious" (late 14c.). Sense of "not faithful in marriage" is attested from 1828. Related: Unfaithfully; unfaithfulness.