| Main Entry: | indelible |
| Part of Speech: | adjective |
| Definition: | not able to be erased, indestructible |
Synonyms: |
enduring, ineffaceable, ineradicable, inerasable, inexpungible, inextirpable, ingrained, lasting, memorable, permanent, rememberable, stirring, unforgettable |
Antonyms: |
delible, destructible, erasable, impermanent |
| Main Entry: | fast |
| Part of Speech: | adjective |
| Definition: | fixed, immovable |
Synonyms: |
adherent, ardent, attached, close, constant, constrained, durable, faithful, fastened, firm, fortified, glued, held, impregnable, indelible, inextricable, lasting, loyal, permanent, resistant, resolute, secure, set, sound, stable, staunch, steadfast, stuck, sure, tenacious, tight, true, true blue, unwavering, wedged |
Antonyms: |
flexible, impermanent, insecure, loose, movable, unattached, unfixed |
| 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: | ingrained |
| Part of Speech: | adjective |
| Definition: | deep-rooted |
Synonyms: |
built-in, chronic, confirmed, congenital, constitutional, deep-seated, fixed, fundamental, hereditary, implanted, in the blood, inborn, inbred, inbuilt, indelible, indwelling, ineradicable, inherent, innate, intrinsic, inveterate, rooted |
Antonyms: |
superficial, surface |
| Main Entry: | irrevocable |
| Part of Speech: | adjective |
| Definition: | fixed, unchangeable |
Synonyms: |
certain, changeless, constant, doomed, established, fated, final, immutable, indelible, inevitable, invariable, irremediable, irretrievable, irreversible, lost, permanent, predestined, predetermined, settled, unalterable, unrepealable, unreversible |
Antonyms: |
alterable, changeable, reversible, revocable |
| Main Entry: | lasting |
| Part of Speech: | adjective |
| Definition: | enduring, unending |
Synonyms: |
abiding, constant, continual, continuing, deep-rooted, durable, endless, eternal, everlasting, forever, in for the long haul, incessant, indelible, indissoluble, inexhaustible, inexpungible, lifelong, long-term, longstanding, old, perdurable, perennial, permanent, perpetual, persisting, stable, till the cows come home, unceasing, undying, unremitting |
Antonyms: |
ceasing, ending, ephemeral, fleeting, passing, short-lived, temporary, transient |
| Main Entry: | memorable |
| Part of Speech: | adjective |
| Definition: | noteworthy, significant |
Synonyms: |
A-1, big-league, bodacious, catchy, celebrated, critical, crucial, decisive, distinguished, doozie, enduring, eventful, extraordinary, famous, great, heavy*, heavyweight, historic, hot*, illustrious, important, impressive, indelible, interesting, lasting, major-league, meaningful, mind-blowing*, momentous, monumental, notable, observable, red-letter, remarkable, rememberable, rubric, serious, signal, something, standout, striking, super, surpassing, terrible, terrific, top-drawer, unforgettable |
Antonyms: |
forgettable, insignificant, unimpressive, unnoteworthy |
| Main Entry: | irreversible |
| Part of Speech: | adjective |
| Definition: | irrevocable |
Synonyms: |
beyond recall, certain, changeless, constant, doomed, established, fated, final, immutable, indelible, inevitable, invariable, irremediable, irretrievable, lost, permanent, predestined, predetermined, settled, unalterable, unrepealable, unreversible |