Need another word that means the same as “unchangeable”? Find 27 synonyms and 30 related words for “unchangeable” in this overview.
The synonyms of “Unchangeable” are: unalterable, immutable, invariable, unvarying, invariant, changeless, firm, fixed, hard and fast, cast-iron, set in stone, set, decided, established, permanent, deep-rooted, enduring, abiding, lasting, indestructible, ineradicable, irreversible, unfading, constant, perpetual, eternal, lifelong
According to the Oxford Dictionary of English, “unchangeable” as an adjective can have the following definitions:
| abiding | Lasting a long time. He had an abiding respect for her. |
| cast-iron | Extremely robust. |
| changeless | Not subject or susceptible to change or variation in form or quality or nature. Changeless truths. |
| constant | (of a person) unchangingly faithful and dependable. A constant lover. |
| decided | Recognizable; marked. At a distinct or decided disadvantage. |
| deep-rooted | Deeply rooted; firmly fixed or held. |
| enduring | Unceasing. He formed a number of enduring relationships with women. |
| established | Brought about or set up or accepted especially long established. An established precedent. |
| eternal | Used to emphasize expressions of admiration, gratitude, etc. The wait seemed eternal. |
| firm | Marked by firm determination or resolution not shakable. Firm convictions. |
| fixed | Fixed and unmoving Connor Cruise O Brien. Loans are provided for a fixed period. |
| hard and fast | Given to excessive indulgence of bodily appetites especially for intoxicating liquors. |
| immutable | Not subject or susceptible to change or variation in form or quality or nature. The immutable laws of nature. |
| indestructible | Not easily destroyed. Indestructible plastic containers. |
| ineradicable | Unable to be destroyed or removed. Ineradicable superstitions. |
| invariable | Never changing. An invariable temperature. |
| invariant | Unvarying in nature. The pattern of cell divisions was found to be invariant. |
| irreversible | Not able to be undone or altered. Irreversible momentum toward revolution. |
| lasting | Lasting a long time without change. A lasting happy marriage. |
| lifelong | Continuing through life. A lifelong friend. |
| permanent | Lasting or intended to last or remain unchanged indefinitely. Damage was not thought to be permanent. |
| perpetual | Continuing forever or indefinitely. A perpetual bond. |
| set | Set down according to a plan. We are set to go at any time. |
| set in stone | Fixed and unmoving- Connor Cruise O’Brien. |
| unalterable | Not able to be changed. An unalterable truth. |
| unfading | Of an imaginary flower that never fades. Then with smile unfading he handed the envelope to Lewis. |
| unvarying | Unvarying in nature. Principles of unvarying validity. |
| abiding | Unceasing. An abiding belief. |
| changeless | Not subject or susceptible to change or variation in form or quality or nature. Changeless truths. |
| confirmed | (of a person) firmly established in a particular habit, belief, or way of life and unlikely to change their ways. Received confirmed reports of casualties. |
| consistent | In agreement or consistent or reliable. Bituminous coal is often treated as a consistent and homogeneous product. |
| constant | A number representing a quantity assumed to have a fixed value in a specified mathematical context. A constant friend. |
| continually | Repeated frequently in the same way; regularly. I was continually moving around. |
| durable | Very long lasting. Porcelain enamel is strong and durable. |
| endless | Countless; innumerable. Endless ocean wastes. |
| enduring | Unceasing. He formed a number of enduring relationships with women. |
| equable | Not easily disturbed or angered; calm and even-tempered. An equable temper. |
| eternal | (of truths, values, or questions) valid for all time; essentially unchanging. The wait seemed eternal. |
| eternity | A period of time that seems very long, especially on account of being tedious or annoying. Symbolic inklings of eternity. |
| immutable | Not subject or susceptible to change or variation in form or quality or nature. The immutable laws of nature. |
| incessant | Uninterrupted in time and indefinitely long continuing. Night and day we live with the incessant noise of the city. |
| incessantly | Without interruption. She talked about him incessantly. |
| indelible | Cannot be removed or erased. An indelible stain. |
| indestructible | Not easily destroyed. Indestructible plastic containers. |
| ineradicable | Not able to be destroyed or rooted out. Ineradicable superstitions. |
| invariable | Never changing. His routine was invariable. |
| irrevocably | In an irrevocable manner. Our environment will be irrevocably damaged. |
| lasting | Lasting a long time without change. A lasting happy marriage. |
| permanence | The state or quality of lasting or remaining unchanged indefinitely. The clarity and permanence of the dyes. |
| permanency | The property of being able to exist for an indefinite duration. |
| permanent | A series of waves in the hair made by applying heat and chemicals. Permanent address. |
| perpetual | Continuing forever or indefinitely. Deep caves in perpetual darkness. |
| stable | Shelter in a stable. Specially designed dinghies that are very stable. |
| steadfast | Marked by firm determination or resolution; not shakable. Steadfast loyalty. |
| steady | Support or hold steady and make steadfast with or as if with a brace. I took a deep breath to steady my nerves. |
| unceasing | Uninterrupted in time and indefinitely long continuing. The unceasing efforts of the staff. |
| unchanging | Conforming to the same principles or course of action over time. The party stood for unchanging principles. |
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