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Conduct that is unjust, depraved, or shameful; that which is contrary to justice, modesty, or good morals.
Moral turpitude is a term that frequently appears in statutes, especially those providing that if a witness has been convicted of a crime involving moral turpitude, that conviction can be used to impeach his or her credibility. Similar statutes authorize revocation of a professional license for conduct involving moral turpitude.
turpitudenoun bad character, bad name, baseness, character, corruption, decadence, degeneracy, degradation, depravity, disrepute, ill repute, immorality, infamy, obscenity, perfidy, shady reputation, vileness, wickedness, wrongdoing
See also: bad faith, bad repute, corruption, defilement, delinquency, discredit, dishonor, disrepute, guilt, knavery, misconduct, misdoing, perversion, shame, vice, wrong
TURPITUDE. Everything done contrary to justice, honesty, modesty or good morals, is said to be done with turpitude.