indelible
I
adjective
changeless, durable, enduring, fadeless, fast, fixed, immovable, immutable, imperishable, incapable of being deleted, indefeasible, indelibilis, indestructible, ineffaceable, ineradicable, inerasable, inextinguishable, ingrained, irremovable, irreversible, irrevocable, lasting, nonperishable, permanent, persevering, persistent, persisting, reverseless, rooted, sempiternus, stable, steadfast, unalterable, unchangeable, undestroyable, unerasable, unfading, unforgettable, unforgotten, unyielding
II
index
constant, durable, indestructible, ingrained, irrevocable, noncancellable, permanent, perpetual, profound (intense)
Burton's Legal Thesaurus.
William C. Burton.
2006