Find Antonyms

immature Antonyms

Opposite of immature

Because the opposite of immature shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Having or showing an emotional or intellectual development appropriate to someone younger; childish or lacking adult judgment.

Usage Example

"Laughing during a serious presentation was a rather mature way to react."

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

• adjective (Context 2)

Not fully developed, grown, or ripe (especially of an organism, fruit, or physiological structure).

Usage Example

"mature bald eagles have dark brown plumage and do not develop their characteristic white heads until about five years of age."

Strongest
mature
ripe
full-grown
Strong
adult
developed

Similar words to immature

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

childish
juvenile
unripe
undeveloped
puerile
underdeveloped
infantile
adolescent
See all synonyms of immature

• Nearby Words

immaculateness
immaterial
immaterially
immature
immaturely
immaturity
immeasurability

Cite this Entry

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