relating to or accepting the theories of Charles Darwin, which described how animals and plants change and develop over millions of years, with those that are best suited to their environment being the most successful and others that are less well suited not continuing to exist

Darwinian evolution is a theory that underpins nearly all of modern biology.

Evolutionists can take any set of psychological and social data and explain them in Darwinian terms.

figurative We are seeing a Darwinian fight for survival in the technology marketplace. 在科技市场上，我们目睹了进化论式的生存斗争。