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WORDNET DICTIONARY

Adjective perdurable has 1 sense

• perdurable(s = adj.all) durable, indestructible, undestroyable - very long lasting; "less durable rocks were gradually worn away to form valleys"; "the perdurable granite of the ancient Appalachian spine of the continent"
Derived form noun perdurability₁

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

perdurable

abiding, age-long, aged, ageless, ancient, antique, ceaseless, chronic, coeternal, constant, continual, continuing, continuous, dateless, diuturnal, durable, endless, enduring, eternal, eterne, ever-being, ever-durable, ever-during, evergreen, everlasting, everliving, hardy, illimitable, immemorial, immutable, incessant, indestructible, infinite, interminable, intransient, inveterate, lasting, long-lasting, long-lived, long-standing, long-term, longeval, longevous, macrobiotic, never-ceasing, never-ending, nonstop, nonterminating, nonterminous, of long duration, of long standing, olamic, perduring, perennial, permanent, perpetual, persistent, persisting, remaining, sempervirent, sempiternal, stable, staying, steadfast, steady, timeless, tough, unceasing, unending, unfading, unintermitting, uninterrupted, unremitting, vital, without end

For further exploring for "perdurable" in Webster Dictionary Online