criminal

1 of 2

adjective

crim·​i·​nal ˈkri-mə-nᵊl How to pronounce criminal (audio)
ˈkrim-nəl
Synonyms of criminalnext
1
: relating to, involving, or being a crime
criminal neglect
a criminal organization
2
: relating to crime or to the prosecution of suspects in a crime
criminal statistics
brought criminal action
the criminal justice system
3
: guilty of crime
also : of or befitting a criminal
a criminal mind
4
: disgraceful
It's criminal how unfunny this comedy is.Rick Bentley
criminally adverb

criminal

2 of 2

noun

1
: one who has committed a crime
2
: a person who has been convicted of a crime

Examples of criminal in a Sentence

Adjective a history of criminal behavior The captain of the wrecked boat was accused of criminal negligence. The company brought criminal charges against her. It's criminal that the government is doing nothing to stop the problem. Noun car thieves, pickpockets, burglars, and other criminals
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
The jury acquitted Contreras-Gafaro of nine additional charges, including theft in a range of $20,000 to $100,000, felony menacing, third-degree assault, child abuse, false imprisonment and criminal mischief, according to court records. Lauren Penington, Denver Post, 16 Mar. 2026 According to Immigration and Customs Enforcement, the 41-year-old had a criminal history and his temporary legal status had expired. Marissa Armas, CBS News, 16 Mar. 2026
Noun
If one of those systems is breached, criminals can obtain card numbers in bulk. Kurt Knutsson, FOXNews.com, 16 Mar. 2026 Some members of the State Immigration Enforcement Council, which is composed of four sheriffs and four city police chiefs, said immigrants who aren’t criminals should be able to stay in the country, under certain conditions. Ana Goñi-Lessan, Sun Sentinel, 16 Mar. 2026 See All Example Sentences for criminal

Word History

Etymology

Adjective

Middle English, borrowed from Anglo-French & Latin; Anglo-French criminal, borrowed from Latin crīminālis, from crīmin-, crīmen "indictment, crime" + -ālis -al entry 1

Noun

derivative of criminal entry 1

First Known Use

Adjective

15th century, in the meaning defined at sense 1

Noun

1610, in the meaning defined at sense 1

Time Traveler
The first known use of criminal was in the 15th century

Browse Nearby Words

Cite this Entry

“Criminal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/criminal. Accessed 18 Mar. 2026.

Kids Definition

criminal

1 of 2 adjective
crim·​i·​nal ˈkrim-ən-ᵊl How to pronounce criminal (audio)
ˈkrim-nəl
1
: being or guilty of a crime
a criminal act
2
: relating to crime or its punishment
criminal court
criminality
ˌkrim-ə-ˈnal-ət-ē
noun
criminally
ˈkrim-ən-ᵊl-ē
-nə-lē
adverb

criminal

2 of 2 noun
: a person who has committed a crime

Legal Definition

criminal

1 of 2 adjective
crim·​i·​nal ˈkri-mə-nəl How to pronounce criminal (audio)
1
: relating to, involving, or being a crime
criminal neglect
criminal conduct
2
: relating to crime or its prosecution
brought a criminal action
criminal code
compare civil sense 4, penal

criminal

2 of 2 noun
1
: one who has committed a crime
2
: a person who has been convicted of a crime

More from Merriam-Webster on criminal

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