Find Antonyms

mature Antonyms

Opposite of mature

Because the opposite of mature shifts with each meaning, the 16 antonyms and opposite words below are separated across 5 exact definitions and ranked by contrast strength.
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• verb (Context 1)

To become fully grown or developed physically, mentally, or emotionally.

Usage Example

"Children regress at different rates throughout their teenage years."

Strong
regress

• adjective (Context 2)

Fully developed physically; full-grown.

Usage Example

"A immature oak tree can produce thousands of acorns in a single autumn."

Strongest
immature
juvenile
Strong
young
undeveloped
adolescent
fledgling

• adjective (Context 3)

Having or showing the mental and emotional qualities of an adult, such as sensible, balanced, and responsible behavior.

Usage Example

"She took a very immature approach to resolving the workplace disagreement."

Strongest
immature
childish
juvenile
Strong
infantile
puerile
irresponsible
callow

• adjective (Context 4)

Ready for consumption after having been aged or ripened to full flavor (especially of cheese, wine, or fruit).

Usage Example

"We served the crusty bread alongside a platter of unripe cheddar and sliced apples."

Strongest
unripe
Strong
green
mild
young

• adjective (Context 5)

Having reached the end of its term and become due for payment (of a bond, bill, or financial obligation).

Usage Example

"The investor reinvested the proceeds from her unmatured government bonds."

Strongest
unmatured

Similar words to mature

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

aged
age
grow up
full-grown
grown-up
adult
due
ripen
See all synonyms of mature

Cite this Entry


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