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Use "untruthfulness" in a sentence
"As a law enforcement veteran, now retired with over 36 years of service, I worked during this era of protest and I also subscribed to the rule that intentional” untruthfulness is a gross disqualification of anyone for the police service” and observed a number of officers who were proven to be untruthful terminated and relieved of their employment and even criminally prosecuted and gone to prison."
"I think if one puts the issue in terms of moral responsibilities about what should or should not be remembered, Muller may have a stronger argument than his original framing of it in terms of 'untruthfulness' which requires a higher standard of evidence."
"Yes and No in affirmations and denials -- as if our word for it were not enough, and we expected others to question it -- springs from that vicious root of untruthfulness which is only aggravated by the very effort to clear ourselves of the suspicion of it."