Anything that is fully developed, like an aged cheese or bottle of wine, can also be called mature. The word can also refer to something that is only appropriate for people who are considered legal adults, … Mature refers to someone or something that is fully developed physically, emotionally, mentally or in any other aspect.

The meaning of mature is having completed natural growth and development : How to use mature in a sentence. There are 21 meanings listed in oed's entry for the word mature, three of which are labelled obsolete. See ‘meaning & use’ for definitions, usage, and quotation evidence. Complete in natural growth or development, as plant and animal forms. See examples of mature used in a sentence. Mature people behave like adults in a way that shows they are well developed emotionally:

Complete in natural growth or development, as plant and animal forms. See examples of mature used in a sentence. Mature people behave like adults in a way that shows they are well developed emotionally: Learn more. If you describe someone as mature, you think that they are fully developed and balanced in their personality and emotional behaviour.