Nonnegotiable [adjective]

● Basic

● Inbred

● Inviolable

● Natural

● Sacrosanct

● Unassailable

● Entailed

● Nontransferable

● Untransferable

● Transitory

● Acquired

● Impermanent

● Changeable

● Nonnegotiable

● Unequivocal

● Irrevocable

● Final

● Conclusive

● Non-negotiable

● Negotiable

● Sacrosanct

● Unacceptable

● Unchangeable

● Unalterable

● Inviolate

● Inviolable

● Untenable

● Acceptable

● Unworkable

● Enforceable

● Indivisible

● Amendable

● Immutable

● Inflexible

● Inalienable

● Unchanging

● Unalienable

● Mandatory

● Uncompromising

● Unconscionable

● Unreasonable

● Unattainable

● Irreconcilable

● Paramount

● Antithetical

● Anathema

● Essential

● Unbending

● Overriding

● Steadfast

● Nonstarter

● Sacred

● Strict

● Indispensable

● Ironclad

● Undebatable

● Unapologetic

● Important

● Particularist

● Unrealistic

● Incompatible

● Proscriptive

● Sacrificing

● Unyielding

● Attainable

● Noncommittal

● Undoable

● Nonbinding

● Adamant

● Delicate

● Inexcusable

● Unavoidable

● Achievable

● Fundamental

● Creedal

● Indefensible

● Precarious

● Overarching

● Hypocritical

● Unmovable

● Irreducible

● Imperative

● Doable

● Ridiculous

● Uncontestable

● Unambiguous

● Noncommital

● Ideologic

● Dispensable

● Unwavering

● Unshakable

● Swimmable

● Inseparable

● Pursuable

● Rigid

● Explicit

● Unstated

● Bluntest

● Intransigent

● Unspoken

● Insistent

● Unforgivable

● Toughest

● Critical

● Tenuous

● Unsustainable

● Touchy

● Disserving

● Untouchable

● Unambivalent

● Key

● Absolutist

● Absolute