Dishonesty vs Perjury

When to use each in English, with meaning, register, and examples.

Dishonesty

Beyond 10,000 (less common)

Perjury

FormalBeyond 10,000 (less common)
Most formal: Perjury
 DishonestyPerjury
Pronunciation🇬🇧 //dɪsˈɒnəsti//🇺🇸 //dɪsˈɑːnəsti//🇬🇧 //ˈpɜːrdʒəri//🇺🇸 //ˈpɜr.dʒɚ.i//
MeaningNot being truthful or fair.Lying in court after promising to tell the truth.
ExampleHis dishonesty led to the loss of trust among his friends.He was charged with perjury after his testimony contradicted recorded evidence.
RegisterNeutralFormal
How commonBeyond 10,000 (less common)Beyond 10,000 (less common)
Collocationsact of dishonesty, dishonesty in relationships, commit dishonestycommit perjury, allegation of perjury, charge of perjury, conviction for perjury, testify under oath
Antonymshonesty, integrity, truthfulness-
Common mistakesConfuse with 'dishonest', which is an adjective., Use as a verb instead of the noun form., Forget to use in negative contexts; it's often associated with negative behavior.Confused with 'perjured', which is the past tense., Using 'perjury' as a verb instead of a noun., Assuming it applies to all forms of lying, when it specifically refers to lying under oath.
Usage notesAppropriate in discussions about trust and ethics. Less suitable in casual or light-hearted conversations.Used in legal contexts. Formal term, appropriate for discussions about law but not common in everyday conversation.

See it in real clips

Dishonesty

Frequently asked questions: Dishonesty vs Perjury

What's the difference between Dishonesty and Perjury?

Dishonesty: Not being truthful or fair. Perjury: Lying in court after promising to tell the truth.

Which is more formal: Dishonesty and Perjury?

Perjury is the most formal of these.

Can you show an example of each?

Dishonesty: His dishonesty led to the loss of trust among his friends. Perjury: He was charged with perjury after his testimony contradicted recorded evidence.

Can I use Dishonesty and Perjury interchangeably?

Not always. Dishonesty and Perjury are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

Related comparisons