lasting

adjectives

continuing or enduring without marked change in status or condition or place
"permanent secretary to the president"; "permanent address"; "literature of permanent value"
is derived from
existing for a long time
"hopes for a durable peace"; "a long-lasting friendship"
is derived from
retained; not shed
"persistent leaves remain attached past maturity"; "the persistent gills of fishes"
is derived from
lasting a long time without change
"a lasting relationship"
is derived from
is similar to
resistant to change of position or condition
"a stable ladder"; "a stable peace"; "a stable relationship"; "stable prices"