Synonyms for Unmodifiable:

• adj.

  •all (adjective)
  • unmodifiable.
  •fixed (adjective)
  • firm,
  • confirmed,
  • unflinching,
  • planned,
  • sure,
  • rooted,
  • unbending,
  • stated,
  • agreed,
  • arranged,
  • rigged,
  • definitive,
  • precise,
  • inalterable,
  • unfaltering,
  • enduring,
  • set,
  • abiding,
  • definite,
  • certain,
  • decided,
  • Stipulated,
  • in the bag,
  • unmovable,
  • still,
  • unqualified,
  • circumscribed,
  • steadfast,
  • resolved,
  • defined,
  • restricted,
  • level,
  • limited,
  • determinate,
  • changeless,
  • inflexible,
  • inveterate,
  • steady,
  • narrow,
  • unwavering,
  • settled.
  •immovable (adjective)
  • motionless,
  • unalterable,
  • dug in,
  • immobile,
  • hard-nosed,
  • adamant,
  • stuck,
  • secure,
  • intransigent,
  • quiescent,
  • solid,
  • constant,
  • unshakable,
  • uncompromising,
  • impassive,
  • stand pat,
  • stable,
  • resolute,
  • fast,
  • stationary,
  • obdurate,
  • unyielding.
  •immutable (adjective)
  • immovable,
  • permanent,
  • sacrosanct,
  • perpetual,
  • ageless,
  • fixed.
  •invariable (adjective)
  • monotonous,
  • rigid,
  • unvarying,
  • unchanging,
  • regular,
  • consistent,
  • same,
  • unrelieved,
  • unfailing,
  • static.
  •unchangeable (adjective)
  • inevitable,
  • continuing,
  • strong.
  •uniform (adjective)
  • methodical,
  • consonant,
  • of a piece,
  • fated,
  • smooth,
  • monolithic,
  • homogeneous,
  • even,
  • incorrigible,
  • ordered,
  • orderly,
  • reliable,
  • unbroken,
  • plumb,
  • straight,
  • symmetrical,
  • unfluctuating,
  • habitual,
  • ossified,
  • systematic,
  • true,
  • normal,
  • compatible,
  • well-balanced,
  • equable,
  • fateful,
  • well-proportioned.

• Other synonyms:

  •Other relevant words:
  • irreversible,
  • noble,
  • irretrievable,
  • inert,
  • flat,
  • unvaried,
  • unmodified,
  • Intransmutable,
  • unsusceptible,
  • unremitting,
  • incommutable,
  • lasting,
  • unreturnable,
  • irrevocable,
  • nonreturnable,
  • standard,
  • unaltered,
  • inconvertible,
  • indefeasible,
  • cookie-cutter,
  • ironclad.

Antonyms for Unmodifiable:

• adj.

  • all
    modifiable.
  • fixed
    irresolute, indefinite, unfixed, variable, unestablished.
  • immovable
    movable, mobile, moving.
  • immutable
    changeable, mutable, alterable, flexible.
  • invariable
    changing, varying.
  • unchangeable
    intermittent, inconstant, temporary.
  • uniform
    divergent, varied, different, inconsistent.