Found 2 items, similar to Survival of the fittest.
English → English (WordNet) Definition: survival of the fittest survival of the fittest n : a natural process resulting in the evolution of organisms best adapted to the environment [syn: survival, natural selection , selection]
English → English (gcide) Definition: Survival of the fittest Survival \Sur*viv"al\, n. [From Survive.] 1. A living or continuing longer than, or beyond the existence of, another person, thing, or event; an outliving. [1913 Webster] 2. (Arh[ae]ol. & Ethnol.) Any habit, usage, or belief, remaining from ancient times, the origin of which is often unknown, or imperfectly known. [1913 Webster] The close bearing of the doctrine of survival on the study of manners and customs. --Tylor. [1913 Webster] Survival of the fittest. (Biol.) See Natural selection, under Natural. [1913 Webster]