complete in natural growth or development, as plant and animal forms

a mature rose bush.

ripe, as fruit, or fully aged, as cheese or wine.

fully developed in body or mind, as a person

a mature woman.

pertaining to or characteristic of full development

a mature appearance; fruit with a mature softness.

completed, perfected, or elaborated in full by the mind

mature plans.

(of an industry, technology, market, etc.) no longer developing or expanding; having little or no potential for further growth or expansion; exhausted or saturated.

intended for or restricted to adults, esp. by reason of explicit sexual content or the inclusion of violence or obscene language

mature movies.

composed of adults, considered as being less susceptible than minors to explicit sexual content, violence, or obscene language, as of a film or stage performance

for mature audiences only.

Finance . having reached the limit of its time; having become payable or due

a mature bond.

Medicine/Medical .

having attained definitive form or function, as by maturation of an epithelium from a basal layer.

having attained the end stage of a normal or abnormal biological process

a mature boil.

Geology . (of a landscape) exhibiting the stage of maximum topographical diversity, as in the cycle of erosion of a land surface.

to make mature; ripen, as fruit or cheese.

to bring to full development

His hard experiences in the city matured him.

to complete or perfect.

to become mature; ripen, as fruit or cheese.

to come to full development

Our plans have not yet matured.

Finance . to become due, as a note.

adjective

green , immature , inexperienced , young , youthful

adjective

complete , cultivated , cultured , developed , fit , full-blown , full-fledged , full-grown , fully grown , grown , in full bloom , in one’s prime , matured , mellow , mellowed , of age , perfected , prepared , prime , ready , ripe , ripened , seasoned , settled , sophisticated , adult , big , grown-up , finished , perfect , precocious

verb

advance , age , arrive , attain majority , become experienced , become wise , bloom , blossom , come of age , culminate , develop , evolve , fill out , flower * , grow , grow up , maturate , mellow * , mushroom * , perfect , prime , progress , reach adulthood , reach majority , ripen , round , season , settle down , shoot up * , mellow , adult , aged , complete , considered , developed , flower , grown , ripe , seasoned , settled