unphysiologicalPronunciation: /ˌʌnfɪzɪəˈlɒdʒɪk(ə)l/Definition of unphysiological adjective not in accordance with normal physiological conditions. Derivatives unphysiologic adjective unphysiologically adverb unphysiological in other Oxford dictionaries Definition of unphysiological in the US English dictionary