Definition of promiscuous adjective from the Oxford Advanced Learner's Dictionary

     

    promiscuous

     adjective
    adjective
    BrE BrE//prəˈmɪskjuəs//
     
    ; NAmE NAmE//prəˈmɪskjuəs//
     
    (disapproving)
     
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  1. 1having many sexual partners promiscuous behaviour a promiscuous lifestyle to be sexually promiscuous a sexually promiscuous society
  2. 2(formal) taken from a wide range of sources, especially without careful thought promiscuous reading a stylistically promiscuous piece of music
  3. Word Origin early 17th cent.: from Latin promiscuus ‘indiscriminate’, (based on miscere ‘to mix’) + -ous. The early sense was ‘consisting of elements mixed together’, giving rise to ‘indiscriminate’ and ‘undiscriminating’, which led to the sense of ‘casual’.
See the Oxford Advanced American Dictionary entry: promiscuous