All nonnegotiable synonyms

adjective nonnegotiable

• firm — not soft or yielding when pressed; comparatively solid, hard, stiff, or rigid: firm ground; firm texture.
• immutable — not mutable; unchangeable; changeless.
• unchanging — to make the form, nature, content, future course, etc., of (something) different from what it is or from what it would be if left alone: to change one's name; to change one's opinion; to change the course of history.
• inflexible — not flexible; incapable of or resistant to being bent; rigid: an inflexible steel rod.
• fixed — fastened, attached, or placed so as to be firm and not readily movable; firmly implanted; stationary; rigid.
• non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
• unmarketable — readily salable.
• non-salable — subject to or suitable for sale; readily sold: The books were sent back by the store in salable condition.
• nonexchangeable — capable of being exchanged.
• nonconvertible — Not convertible; that cannot be exchanged for an equivalent.
• absolute — Absolute means total and complete.
• inherent — existing in someone or something as a permanent and inseparable element, quality, or attribute; inhering: an inherent distrust of strangers.
• basic — You use basic to describe things, activities, and principles that are very important or necessary, and on which others depend.
• entailed — Simple past tense and past participle of entail.
• inbred — naturally inherent; innate; native: her inbred grace.
• inviolable — prohibiting violation; secure from destruction, violence, infringement, or desecration: an inviolable sanctuary; an inviolable promise.
• natural — existing in or formed by nature (opposed to artificial): a natural bridge.
• sacrosanct — extremely sacred or inviolable: a sacrosanct chamber in the temple.
• unassailable — not open to attack or assault, as by military force or argument: unassailable fortifications; unassailable logic.