Dishonesty is acting without honesty. The term describes cheating, deficient probity,[1] lying, deliberate withholding of information, being deliberately deceptive, or showing knavishness, perfidiousness, corruption, treachery, or deficient integrity.
Dishonesty is a basic feature of most offences defined in criminal law, such as fraud, which relates to the illicit acquisition, conversion, or disposal of property, tangible or intangible.