juvenile

adjective
ju·​ve·​nile | \ ˈjü-və-ˌnī(-ə)l How to pronounce juvenile (audio) , -nᵊl How to pronounce juvenile (audio) \

Definition of juvenile

 (Entry 1 of 2)

1 : physiologically immature or undeveloped : young juvenile birds
2a : of, relating to, characteristic of, or suitable for children or young people juvenile fiction
b : of or relating to young people who have committed or are accused of committing a criminal offense the juvenile justice system juvenile crime
3 : reflecting psychological or intellectual immaturity : childish juvenile behavior juvenile pranks told him he was being juvenile
4 : derived from sources within the earth and coming to the surface for the first time used especially of water and gas

juvenile

noun

Definition of juvenile (Entry 2 of 2)

1a : a young person : youth a gang of juveniles
b : a book for children or young people
2 : a young individual resembling an adult of its kind except in size and reproductive activity: such as
a : a fledged bird not yet in adult plumage
b : a 2-year-old racehorse
3 : an actor or actress who plays youthful parts

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Synonyms & Antonyms for juvenile

Synonyms: Adjective

adolescent, immature, young, youngish, youthful

Synonyms: Noun

bairn [chiefly Scottish], bambino, bud, chap [Southern & Midland], chick, child, cub, kid, kiddie (also kiddy), kiddo, moppet, sprat, sprout, squirt, whelp, youngling, youngster, youth

Antonyms: Adjective

adult, grown-up, mature, matured

Antonyms: Noun

adult, grown-up

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Examples of juvenile in a Sentence

Adjective

She criticized his juvenile behavior at the party. a juvenile alligator just hatched from its egg

Noun

She works to keep juveniles away from drugs. a medical study that followed juveniles through adolescence and into adulthood
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Recent Examples on the Web: Adjective

Now, Democrat Ann Ridgeway, a former teacher and juvenile probation officer, will be the only name on the ballot. Washington Post, "Va. Republican who failed to qualify for ballot will mount a write-in campaign," 10 Aug. 2019 The incident was forwarded to the juvenile diversion officer. cleveland.com, "Vehicle stolen from apartment lot: Mayfield Heights Police Blotter," 31 July 2019 In Tucson, Catholic Community Services of Southern Arizona is converting three unused wings at a juvenile detention center into a 250-bedmigrant shelter under an agreement with Pima County. Rafael Carranza, azcentral, "Once overflowing migrant shelters along southern border closing as releases plummet," 26 July 2019 The teens could head to prison after Genesee County Circuit Court Judge Joseph Farah rejected a motion to send the group to a juvenile detention center, the news station reported. Hollie Silverman, CNN, "4 teens who pleaded guilty to throwing a rock off an overpass that killed a man may be sentenced as adults," 24 July 2019 The organization and county officials have a tentative agreement to move migrant families to unused portions of a Pima County juvenile detention center. USA TODAY, "Saving whales, Manson murder house: News from around our 50 states," 17 July 2019 The only glimmer of hope resides in a juvenile detention center, where a few of the town’s youngest residents express concern about what’s happening to the planet. Sonia Rao, chicagotribune.com, "Climate-change anxiety is now a part of growing up: Pop culture has caught on," 28 June 2019 Scaggs faces five felony charges, including three alleged assaults against juvenile correctional officers on Oct. 8, Jan. 11 and Feb. 17, according to Jefferson County District Court records. Kirk Mitchell, The Denver Post, "17-year-old with violent record escapes Lookout Mountain Youth Services Center in Golden," 25 June 2019 The chief juvenile probation officer of the county, Lynne Wilkerson, said the duo was at large for about 20 minutes; authorities rounded them up less than a mile away from the Krier Center. Lucy Diavolo, Teen Vogue, "5 Teens Have Escaped From the Krier Correctional Treatment Center Near San Antonio in 2018," 3 Aug. 2018

Recent Examples on the Web: Noun

With the assistances of Strongsville Police, Brunswick Hills Police, Lorain County Sheriff’s Office, Ohio State Patrol and several K9 units, both juveniles were arrested. John Benson, cleveland.com, "Thief steals hearing aids from unlocked vehicle: Parma Heights Police Blotter," 14 Aug. 2019 To illustrate the threats of violence Mendivil allegedly wielded, Heesch described one incident involving a juvenile who had drugs seized from him. San Diego Union-Tribune, "Young Tijuana man accused of running cross-border teen drug mules," 13 Aug. 2019 Kentucky's top juvenile justice official is quitting after just eight months on the job. Deborah Yetter, The Courier-Journal, "Kentucky juvenile justice commissioner resigns after 8 months on the job," 13 Aug. 2019 With e-Connect, juveniles are screened digitally using a tablet and they are directed to mental health services based on the results. Washington Post, "New York probation offices screening youth for suicide risk," 12 Aug. 2019 State Police on Sunday arrested two men and a juvenile after a traffic stop in Holyoke turned up nearly 1,000 bags of heroin in the trio’s vehicle, the agency said Monday. Travis Andersen, BostonGlobe.com, "Trio nabbed for allegedly cruising through Holyoke with nearly 1,000 small heroin bags in their car," 12 Aug. 2019 With e-Connect, juveniles are screened digitally using a tablet and they are directed to mental health services based on the results. Ryan Tarinelli, USA TODAY, "Youth offenders are now being screened for suicide risk at New York probation offices," 12 Aug. 2019 Names of juveniles charged with crimes are routinely not disclosed. Clifford Ward, chicagotribune.com, "14-year-old boy is charged in fatal shooting of friend at Bensenville home where firearms were unlocked, authorities say," 9 Aug. 2019 In a tweet just after 8 p.m., Harris County Sheriff Ed Gonzalez said four juveniles were swimming, possibly beyond a water safety buoy, when they were overcome by waves. J.r. Gonzales, Houston Chronicle, "Search underway for three siblings missing at Sylvan Beach," 8 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'juvenile.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of juvenile

Adjective

1625, in the meaning defined at sense 1

Noun

1733, in the meaning defined at sense 1a

History and Etymology for juvenile

Adjective and Noun

French or Latin; French juvénile, from Latin juvenilis, from juvenis young person — more at young

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More Definitions for juvenile

juvenile

adjective