not subject or susceptible to change or variation in form or quality or nature; "the view of that time was that all species were immutable, created by God"
people who are old collectively; "special arrangements were available for the aged"
(used of tobacco) aging as a preservative process (`aged' is pronounced as one syllable)
of wines, fruit, cheeses; having reached a desired or final condition; (`aged' pronounced as one syllable); "mature well-aged cheeses"
advanced in years; (`aged' is pronounced as two syllables); "aged members of the society"; "elderly residents could remember the construction of the first skyscraper"; "senior citizen"
at an advanced stage of erosion (pronounced as one syllable); "aged rocks"
existing for a long time; "hopes for a durable peace"; "a long-lasting friendship"
very long lasting; "less durable rocks were gradually worn away to form valleys"; "the perdurable granite of the ancient Appalachian spine of the continent"
serviceable for a long time; "durable denim jeans"
seemingly without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series; "the continual banging of the shutters"
`continual' (meaning seemingly uninterrupted) is often used interchangeably with `continuous' (meaning without interruption)
uninterrupted in time and indefinitely long continuing; "the ceaseless thunder of surf"; "in constant pain"; "night and day we live with the incessant noise of the city"; "the never-ending search for happiness"; "the perpetual struggle to maintain standards in a democracy"; "man's unceasing warfare with drought and isolation"; "unremitting demands of hunger"