non negotiable
/ˌnɑn nəˈɡoʊʃiəbəl/
noun
- Something that is not open to negotiation or compromise.
- In our family, respect for each other is a non-negotiable.
- For a healthy diet, drinking enough water is a non-negotiable.
- The company has a list of non-negotiables that all employees must agree to.
adjective
- Not open to discussion, change, or compromise; absolutely required.
- Safety rules in the lab are non-negotiable and must be followed by everyone.
- The deadline for the project is non-negotiable, so please submit your work on time.
- For her, honesty in a relationship is a non-negotiable value.
- Cannot be exchanged for money or transferred to another person (of a financial document).
- This receipt is non-negotiable and cannot be used as payment.
- Non-negotiable tickets must be used by the original purchaser only.
- The check was marked non-negotiable, so I couldn't cash it at the bank.
Antonyms