Juvenile: Definition, Meaning, and Examples

Last Updated on
May 31, 2026

1. Juvenile (noun): A young person or animal not yet fully developed.
2. Juvenile (adjective): Relating to or characteristic of young people or immature behavior.
3. Juvenile (noun): A work intended for young readers or audiences.

"Juvenile" describes youthfulness or immaturity, whether referring to a person, an animal, or characteristics associated with early stages of development. It can also pertain to works of literature or entertainment created specifically for young audiences. Keep reading to explore every aspect of "juvenile" in greater detail.

"Juvenile" Definition: What Does "Juvenile" Mean?

"Juvenile" carries several meanings that relate to age, development, behavior, and literature aimed at young audiences. It is commonly used in everyday speech, legal terminology, and artistic contexts.

Definition of "Juvenile": Young Person

A "juvenile" refers to a person or animal who is not yet fully mature or adult.

Definition of "Juvenile": Immature Behavior

When describing behavior, "juvenile" means actions or attitudes that seem immature or childlike.

Definition of "Juvenile": Literature for Youth

"Juvenile" can also refer to books, movies, or media designed specifically for young audiences.

Parts of Speech

"Juvenile" functions primarily as both a noun and an adjective depending on the context. It commonly describes either a young being or immature behavior. Though most often used in legal, educational, or literary contexts, "juvenile" can sometimes appear informally to criticize childish behavior in adults.

How to Pronounce "Juvenile"?

The word "juvenile" is pronounced as "JOO-vuh-nile". It has three syllables, with the emphasis placed on the first syllable. The first part, "joo", sounds like the word "jewel" but without the "l" at the end. The second syllable, "vuh", sounds like the "vuh" in "van". The third syllable, "nile", rhymes with "mile". When saying "juvenile," make sure to give a clear emphasis on the "JOO" sound while keeping the "vuh" and "nile" softer but still distinct.

Phonetic Pronunciation: /ˈdʒuː.və.naɪl/

Synonyms of "Juvenile": Other Ways to Say "Juvenile"

There are many synonyms for "juvenile" depending on usage. Here are several alternatives:

  • Youthful
  • Adolescent
  • Immature
  • Childish
  • Youngster
  • Minor
  • Infantile
  • Pubescent
  • Preadolescent
  • Teenager

Antonyms of "Juvenile": Other Ways to Say "Juvenile"

Several antonyms highlight maturity or adulthood:

  • Adult
  • Mature
  • Grown-up
  • Senior
  • Developed
  • Fully-grown
  • Experienced
  • Old
  • Seasoned
  • Elderly

Examples of "Juvenile" in a Sentence

Below are examples showing "juvenile" used in different ways:

1. The juvenile escaped from the wildlife reserve.
2. His remarks were typical of a juvenile trying to impress friends.
3. She specializes in juvenile fiction for middle-grade readers.
4. The police dealt with the situation involving a juvenile differently than they would with an adult.
5. Despite being an adult, he often showed juvenile tendencies.
6. The veterinarian confirmed that the injured bird was a juvenile.
7. Teachers often find it challenging to manage juvenile behavior in large classrooms.
8. The court hearing was held in a juvenile court setting.
9. The aquarium introduced a new exhibit featuring juvenile sea turtles.
10. Some artists maintain a juvenile playfulness in their work.

Frequency of Use

"Juvenile" appears moderately frequently in both legal and everyday language, especially when discussing youth behavior, development, and crime. In literature and media, it is a popular term for categorizing children's works.

Variants of "Juvenile"

There are a few notable variants of "juvenile":

  1. Juveniles: Plural form, referring to more than one young individual.
  2. Juvenility: Refers to the state or quality of being youthful or immature.
  3. Juvenilism: Excessive or inappropriate youthful behavior.

Related Terms to "Juvenile"

Several terms are closely related to "juvenile":

  1. Youth
  2. Minor
  3. Childhood
  4. Puberty
  5. Teenager
  6. Infancy
  7. Adolescence
  8. Development
  9. Growth
  10. Immaturity

Etymology: History and Origins of "Juvenile"

"Juvenile" originates from the Latin word juvenilis, meaning "youthful," and from juvenis, meaning "young person." The term entered the English language in the early 17th century, initially describing young people and gradually expanding to include immature behaviors and literature aimed at youth.

Derivatives and Compounds of "Juvenile"

Here are some common derivatives and compounds of "juvenile," each with a brief explanation.

  1. Juvenile court: A specialized legal court that handles cases involving minors rather than adults.
  2. Juvenile delinquency: Criminal or antisocial behavior committed by a minor.
  3. Juvenile justice: The legal system or set of processes that deal with young offenders.
  4. Juvenile detention: A facility where minors are held temporarily for legal or disciplinary reasons.

Common Misspellings of "Juvenile"

Watch out for these common misspellings:

  1. Juvinile
  2. Juvenille
  3. Juvenal
  4. Juvinille
  5. Juvanile

10 Idioms Similar to "Juvenile"

Here are idioms that capture the spirit of youth or immaturity:

  1. Young at heart
  2. Child’s play
  3. Wet behind the ears
  4. Green as grass
  5. In one’s salad days
  6. Baby steps
  7. Like a kid in a candy store
  8. Born yesterday
  9. Bright-eyed and bushy-tailed
  10. Kid gloves treatment

10 Common Questions About "Juvenile"

Below are frequently asked questions about "juvenile":

1. What is the main meaning of "juvenile"?

"Juvenile" mainly refers to a young person or animal that has not yet reached full maturity.

2. Is "juvenile" used in a positive or negative way?

"Juvenile" can be neutral when referring to youth but negative when describing immature behavior.

3. How is "juvenile" used in law?

In legal contexts, "juvenile" describes individuals under a certain age who are subject to different legal processes than adults.

4. What is a "juvenile" court?

A "juvenile" court is a special court that handles cases involving minors, typically those under the age of 18.

5. Can an adult display "juvenile" behavior?

Yes, an adult can behave in a "juvenile" manner when acting immaturely or childishly.

6. What is "juvenile" literature?

"Juvenile" literature refers to books and other writings intended specifically for young readers.

7. What stage of animal development is called "juvenile"?

The "juvenile" stage in animals is the period between birth and full maturity, when they are still growing and developing.

8. What are some common synonyms for "juvenile"?

Common synonyms for "juvenile" include youthful, adolescent, immature, and minor.

9. Why is understanding "juvenile" behavior important in psychology?

Understanding "juvenile" behavior helps psychologists study development, learning, and mental health issues in young people.

10. Can "juvenile" refer to immature ideas or actions?

Yes, "juvenile" can describe ideas or actions that seem immature, inexperienced, or childish.

Conclusion

The word "juvenile" refers to someone or something that is young, immature, or related to youth in behavior, development, or media. Incorporating "juvenile" into your vocabulary can help you accurately express ideas about youthfulness, inexperience, or immaturity across different contexts.

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