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Synonyms

criminal

American  
[krim-uh-nl] / ˈkrɪm ə nl /

adjective

  1. of the nature of or involving crime.

    Synonyms:
    unlawful, felonious
    Antonyms:
    lawful
  2. guilty of crime.

    Antonyms:
    innocent
  3. Law. of or relating to crime or its punishment.

    a criminal proceeding.

  4. senseless; foolish.

    It's criminal to waste so much good food.

  5. exorbitant; grossly overpriced.

    They charge absolutely criminal prices.


noun

  1. a person guilty or convicted of a crime.

    Synonyms:
    gangster, hoodlum, crook, felon, culprit, transgressor, evildoer, malefactor
criminal British  
/ ˈkrɪmɪnəl /

noun

  1. a person charged with and convicted of crime

  2. a person who commits crimes for a living

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of, involving, or guilty of crime

  2. (prenominal) of or relating to crime or its punishment

    criminal court

    criminal lawyer

  3. informal senseless or deplorable

    a criminal waste of money

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What is a basic definition of criminal? A criminal is a person who commits crime. Criminal is also used to describe something involved in committing crime or related to crime. Criminal has a few other senses as an adjective.A criminal is a person who breaks the law and engages in illegal activity.

  • Real-life examples: Shoplifters, kidnappers, bank robbers, and pirates are all criminals.
  • Used in a sentence: The judged sentenced the two wanted criminals to prison for stealing a car.
As an adjective, criminal describes something involved in or related to committing a crime.
  • Real-life examples: Stealing a car, robbing someone’s house, and printing fake money to use as real money are all criminal acts. They are all against the law, and a person will be arrested if caught doing any of these acts. Police might say a person is accused of criminal activity if they believe the person was doing something illegal.
  • Used in a sentence: The gangster Al Capone was in charge of a criminal organization.
Criminal can also be used to describe something that is related to crime without actually engaging in it.
  • Real-life examples: In the United States, criminal law is a collection of laws that state what the government or society says is a crime and will result in punishment by the state if someone is proved to have broken the law. A criminal lawyer is a lawyer who specializes in criminal law.
  • Used in a sentence: When Jimmy was arrested for breaking into his neighbor’s house, he called a criminal lawyer to help him.

Related Words

See illegal.

Other Word Forms

  • criminally adverb
  • noncriminal adjective
  • noncriminally adverb
  • quasi-criminal adjective
  • quasi-criminally adverb
  • subcriminal adjective
  • subcriminally adverb
  • supercriminal adjective
  • supercriminally adverb
  • uncriminal adjective
  • uncriminally adverb

Etymology

Origin of criminal

First recorded in 1350–1400; Middle English, from Anglo-French, from Late Latin crīminālis, from Latin crīmin- (stem of crīmen “accusation, blame, charge”; crime ) + -ālis -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was imprisoned amid tough security, under the so-called 41bis regime, an article of the Italian criminal code introduced after the two judges were killed.

From BBC

“Claiming a top criminal scalp will not spare the government from a messy aftermath,” said Mora of the International Crisis Group.

From Los Angeles Times

The Hennepin County Attorney’s office is assessing evidence submitted by the public for any potentially criminal activity.

From The Wall Street Journal

The case brought together civil libertarians and gun rights advocates, who said millions of Americans could face criminal charges if the government’s view is upheld.

From Los Angeles Times

But of Harris’ liaisons with criminals and detectives, the anchor in his work — and in Raftery’s biography — would be his proximity to the FBI.

From Los Angeles Times