Adjective
lasting -
lasting a long time without change; "a lasting relationship"
stable maintaining equilibrium
Lasting -
continuing or enduring without marked change in status or condition or place; "permanent secretary to the president" ; "permanent address" ; "literature of permanent value"
permanent ,
lasting
impermanent ,
temporary existing or enduring for a limited time only
ineradicable not able to be destroyed or rooted out; "ineradicable superstitions"
stable maintaining equilibrium
unchangeable not changeable or subject to change; "a fixed and unchangeable part of the germ plasm" -Ashley Montagu; "the unchangeable seasons" ; "one of the unchangeable facts of life"
permanence ,
permanency the property of being able to exist for an indefinite duration
abiding ,
enduring ,
imperishable unceasing; "an abiding belief" ; "imperishable truths"
ageless ,
unending ,
aeonian ,
eonian ,
eternal ,
everlasting ,
perpetual ,
unceasing continuing forever or indefinitely; "the ageless themes of love and revenge" ; "eternal truths" ; "life everlasting" ; "hell's perpetual fires" ; "the unending bliss of heaven"
indissoluble used of decisions and contracts
Lasting -
retained; not shed; "persistent leaves remain attached past maturity" ; "the persistent gills of fishes"
persistent ,
lasting
biological science ,
biology the science that studies living organisms
Lasting -
existing for a long time; "hopes for a durable peace" ; "a long-lasting friendship"
durable ,
lasting ,
long-lasting ,
long-lived
long having or being more than normal or necessary:"long on brains" ; "in long supply"