Criminals vs Crooks

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

Criminals

Top 2,000 (common)

Crooks

InformalTop 2,000 (common)
Most formal: Criminals
 CriminalsCrooks
Pronunciation🇬🇧 //ˈkrɪmɪnəlz//🇺🇸 //ˈkrɪmɪnəlz//🇬🇧 //krʊks//🇺🇸 //krʊks//
MeaningPeople who break the law.People who do bad things to get money.
ExampleThe police arrested several **criminals** after the bank robbery.The crooks managed to escape before the police arrived.
RegisterNeutralInformal
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsrepeat criminals, organized criminals, petty criminals, violent criminals, convicted criminalscatch crooks, crooks and thieves, crooks in the city
Antonymslaw-abiding citizens, good people, innocentshonest, lawful, upright
Common mistakesConfused with 'criminal' (singular) and 'criminals' (plural)., Using 'criminals' when referring to someone accused but not convicted., Overusing in non-legal contexts may seem inappropriate.Confused with 'criminals'—crooks can be more informal., Used in singular form—correctly is 'crooks' for more than one., Assumed to only mean violent offenders, but it can refer to any dishonest person.
Usage notesUse 'criminals' in discussions about crime. It's appropriate in news and legal contexts but may sound harsh in casual conversations.Usually used in casual conversations. Not appropriate in a formal setting. Can also imply humor.

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Criminals
Crooks

Frequently asked questions: Criminals vs Crooks

What's the difference between Criminals and Crooks?

Criminals: People who break the law. Crooks: People who do bad things to get money.

Which is more formal: Criminals and Crooks?

Criminals is the most formal of these.

Can you show an example of each?

Criminals: The police arrested several **criminals** after the bank robbery. Crooks: The crooks managed to escape before the police arrived.

Can I use Criminals and Crooks interchangeably?

Not always. Criminals and Crooks 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.