unnegotiable

/ˌʌnnɪˈɡoʊʃiəbəl/
adjective
  1. Not open to discussion or change; fixed and cannot be altered.
    • Her principles were unnegotiable, even when it meant losing the deal.
    • For the team, the deadline was unnegotiable, so they worked through the weekend.
    • The safety rules are unnegotiable and must be followed by everyone.
What does "unnegotiable" mean? | whatsthatwordmean | whatsthatwordmean