Definition of adaptationist in US English:

adaptationist

noun & adjective

Biology
  • See adaptationism

    • ‘Selectionist or adaptationist thinking was proposed by two Englishmen, Darwin and Wallace, and the first converts were also therefore British.’
    • ‘Many are underpinned by evolutionary and adaptationist paradigms.’
    • ‘This is an adaptationist account of evolution, and one that most evolutionists would probably accept as uncontroversial.’
    • ‘The problem with existing adaptationist hypotheses of human reproductive behavior is twofold.’
    • ‘This facet of human psychology has attracted the notice of numerous adaptationists.’