| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | not changeable |
| Synonyms: | firm, fixed, immutable, inalterable, inflexible, permanent, rigid, unchangeable |
| Antonyms: | alterable |
| Main Entry: | constant |
| Part of Speech: | adjective |
| Definition: | fixed |
| Synonyms: | connected, consistent, continual, equable, even, firm, habitual, homogeneous, immutable, invariable, like the Rock of Gibralter, monochrome, monophonic, monotonous, nonstop, of a piece, permanent, perpetual, regular, regularized, solid as rock, stabile, stable, standardized, steadfast, steady, together, unalterable, unbroken, unchanging, unflappable, unfluctuating, uniform, uninterrupted, unvarying |
| Antonyms: | changeable, fickle, fluctuating, inconstant, irregular, unstable, unsteady, varying, wavering |
| Main Entry: | decided |
| Part of Speech: | adjective |
| Definition: | certain, definite |
| Synonyms: | absolute, assured, categorical, cinched, clear, clear-cut, clinched, destined, determined, distinct, emphatic, explicit, express, fated, for sure, in the bag, indisputable, nailed, on ice, positive, prearranged, predetermined, pronounced, resolved, runaway, settled, sure, unalterable, unambiguous, undeniable, undisputed, unequivocal, unmistakable, unquestionable |
| Notes: | decided means recognizable, marked, unmistakable or definite, while decisive means having the power to determine an outcome or being conclusive |
| Antonyms: | indefinite, uncertain, undecided |
| Main Entry: | immovable |
| Part of Speech: | adjective |
| Definition: | fixed, stubborn |
| Synonyms: | adamant, constant, dead set on, dug in, fast, firm, hard-nosed, immobile, immotile, immutable, impassive, inflexible, intransigent, locked in, motionless, obdurate, quiescent, resolute, rooted, secure, set, set in concrete, set in stone, solid, stable, stand pat, stationary, steadfast, stick to guns, stuck, tough nut, unalterable, unchangeable, uncompromising, unmodifiable, unshakable, unwavering, unyielding |
| Antonyms: | mobile, movable, moving, unfixed |
| Main Entry: | immutable |
| Part of Speech: | adjective |
| Definition: | unchangeable |
| Synonyms: | abiding, ageless, changeless, constant, enduring, fixed, immovable, inflexible, invariable, permanent, perpetual, sacrosanct, stable, steadfast, unalterable, unmodifiable |
| Antonyms: | alterable, changeable, flexible, mutable, variable |
| Main Entry: | indestructible |
| Part of Speech: | adjective |
| Definition: | lasting, unable to be destroyed |
| Synonyms: | abiding, deathless, durable, enduring, everlasting, immortal, immutable, imperishable, incorruptible, indelible, indissoluble, inexterminable, inextinguishable, inextirpable, irrefragable, irrefrangible, nonperishable, permanent, perpetual, unalterable, unbreakable, unchangeable, undestroyable, undying, unfading |
| Antonyms: | breakable, destructible, perishable |
| Main Entry: | inevitable |
| Part of Speech: | adjective |
| Definition: | certain; cannot be avoided |
| Synonyms: | all locked up, assured, binding, compulsory, decided, decreed, destined, determined, doomed, fated, fateful, fixed, for certain, foreordained, imminent, impending, in the bag, ineluctable, ineludible, inescapable, inexorable, inflexible, irresistible, irrevocable, necessary, no ifs ands or buts, obligatory, ordained, pat, prescribed, settled, sure, unalterable, unavoidable, undeniable, unpreventable, without recourse |
| Antonyms: | avoidable, doubtful, escapable, fortuitous, preventable, uncertain, unlikely, unsure |
| Main Entry: | invariable |
| Part of Speech: | adjective |
| Definition: | not changing |
| Synonyms: | changeless, consistent, constant, fixed, immovable, immutable, inalterable, inflexible, monotonous, perpetual, regular, rigid, same, set, static, unalterable, unchangeable, unchanging, undiversified, unfailing, uniform, unmodifiable, unrelieved, unvarying, unwavering |
| Antonyms: | changeable, changing, variable, varying |
| Main Entry: | ironclad |
| Part of Speech: | adjective |
| Definition: | fixed, rigid |
| Synonyms: | abiding, agreed, arranged, certain, changeless, confirmed, definite, determinate, enduring, firm, in the bag, inflexible, planned, prearranged, settled, stated, stubborn, sure, unalterable, uncompromising, unwavering |