Adjective arguable has 2 senses
  1. arguable - capable of being supported by argument
    Antonym:
    implausible (indirect, via plausible)
  2. arguable, debatable, disputable, moot - open to argument or debate; "that is a moot question"
    Antonyms: uncontroversial, noncontroversial (indirect, via controversial)
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