Acting in a way that's deceitful or false is dishonesty. If your best friend claims she'll be studying all weekend, but she's actually planning to go out with other pals, that's dishonesty.

The word dishonesty implies that someone's lying, but it also encompasses cheating or being deceptive. When a magician claims to have special powers but secretly hides cards up their sleeve, you might think of it as dishonesty — although the magician might call it "illusion" or "sleight of hand."

Definitions of dishonesty
  1. noun
    the quality of being dishonest
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    honestness, honesty
    the quality of being honest
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    corruption, corruptness
    lack of integrity or honesty (especially susceptibility to bribery); use of a position of trust for dishonest gain
    the quality of unscrupulous dishonesty
    deceptiveness, obliquity
    the quality of being deceptive
    deceit, fraudulence
    the quality of being fraudulent
    crookedness, deviousness
    the quality of being deceitful and underhanded
    rascality, shiftiness, slipperiness, trickiness
    the quality of being a slippery rascal
    larcenous, thievishness
    having a disposition to steal
    the quality of being untruthful
    the quality of being disingenuous and lacking candor
    equivocation, evasiveness, prevarication
    intentional vagueness or ambiguity
    moral corruption or contamination
    prostitution of talents or offices or services for reward
    falseness, hollowness, insincerity
    the quality of not being open or truthful; deceitful or hypocritical
    meretriciousness, speciousness
    an appearance of truth that is false or deceptive; seeming plausibility
    corruptness among public officials
    the tendency to be untruthful
    craftiness, deceitfulness, guile
    the quality of being crafty
    the quality of being adroit in taking unfair advantage
    type of:
    failure to adhere to moral principles
  2. noun
    lack of honesty; acts of lying or cheating or stealing
    synonyms: knavery
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    betrayal, perfidy, treachery, treason
    an act of deliberate betrayal
    charlatanism, quackery
    the dishonesty of a charlatan
    an attempt to get you to do something foolish or imprudent
    falsehood, falsification
    the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting
    double cross, double-crossing
    an act of betrayal
    an act of betrayal
    frame-up, setup
    an act that incriminates someone on a false charge
    falsification by the use of sophistry; misleading by means of specious fallacies
    criminal falsification by making or altering an instrument with intent to defraud
    type of:
    actus reus, misconduct, wrongdoing, wrongful conduct
    activity that transgresses moral or civil law
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