unnegotiable
/ˌʌnnɪˈɡoʊʃiəbəl/
adjective
- 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.
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