nat-u-ral (nachr-l, nachrl)adj. Abbr. nat. 1. Present in or produced by nature: a natural pearl. 2. Of, relating to, or concerning nature: a natural environment. 3. Conforming to the usual or ordinary course of nature: a natural death. 4.   Not acquired; inherent: Love of power is natural to some people. Having a particular character . . . → Read More: Natural Well-Being