dichotomous

/daɪˈkɑtəməs/
adjective
  1. Divided into or consisting of two parts or groups that are seen as opposite or very different.
    • Her thinking is too dichotomous; she sees everything as either a success or a failure.
    • The survey used a dichotomous scale with only 'yes' and 'no' options.
    • In biology, a dichotomous key helps identify species by asking a series of two-choice questions.
Antonyms
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