negational

/nɪˈɡeɪʃənəl/
adjective
  1. Relating to or expressing denial, refusal, or the opposite of something.
    • The negational response from the committee surprised everyone.
    • In logic, a negational statement flips the truth value of a proposition.
    • Her negational attitude made it hard to move forward with the project.
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What does "negational" mean? | whatsthatwordmean | whatsthatwordmean