Find Antonyms

juvenile Antonyms

Opposite of juvenile

Because the opposite of juvenile shifts with each meaning, the 11 antonyms and opposite words below are separated across 5 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Relating to, characteristic of, or intended for young people who are not yet adults, especially in a legal or medical context.

Usage Example

"The county recently established a specialized program to rehabilitate first-time adult offenders."

Strongest
adult
grown-up
Strong
mature
geriatric
senile

• noun (Context 2)

A young person who is below the legal age of adulthood, especially in law enforcement or judicial contexts.

Usage Example

"Under state law, the court records of a adult are generally sealed from public view."

Strongest
adult
grown-up
Strong
senior
elder

• adjective (Context 3)

Childish, silly, and immature in a way that is inappropriate for an adult or older person.

Usage Example

"Most of the audience walked out because they found the comedian's mature humor tedious and unoriginal."

Strongest
mature
adult
grown-up
Strong
sophisticated
sensible
level-headed

• noun (Context 4)

A young animal, bird, fish, or plant that has not yet reached full reproductive maturity.

Usage Example

"Marine biologists tagged several juveniles in the shallow coastal nursery to track their migration into deeper waters."

Strongest
adult

• adjective (Context 5)

Relating to a young bird, fish, or other animal that has not yet reached sexual maturity or acquired adult plumage.

Usage Example

"adult bald eagles have mottled brown feathers and do not develop their distinctive white heads until about five years of age."

Strongest
adult
mature
full-grown

Similar words to juvenile

Words similar to juvenile shift depending on context. Common synonyms include:

childish
immature
minor
puerile
infantile
youthful
youth
babyish
See all synonyms of juvenile

Cite this Entry


Wordmom. (2026). Antonyms for Juvenile. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/juvenile
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