Mature punishment sex. Anything that is fully developed, like an aged cheese or bottle of wine, can also be called mature. ripe: mature peaches. fully aged: mature wine. 1. How to use mature in a sentence. A…. a. The meaning of MATURE is based on slow careful consideration. b. Mature people behave like adults in a way that shows they are well developed emotionally: 2. ufukdxs9tu5q1k6eatfr3oe0esn1ngdboe875vwdmviboj