existing perpetually; everlasting, esp. without significant change.

intended to exist or function for a long, indefinite period without regard to unforeseeable conditions

a permanent employee; the permanent headquarters of the United Nations.

long-lasting or nonfading

permanent pleating; permanent ink.

Also called permanent wave. a wave or curl that is set into the hair by the application of a special chemical preparation and that remains for a number of months.

adjective

ephemeral , temporary , evanescent , impermanent , transient

adjective

abiding , changeless , continual , diurnal , durable , enduring , everlasting , fixed , forever , forever and a day , for keeps * , immutable , imperishable , indestructible , in for the long haul , invariable , long-lasting , perdurable , perduring , perennial , perpetual , persistent , set , set in concrete , set in stone , stable , steadfast , unchanging , unfading , lasting , long-lived , long-standing , old , constant , endless , eternal , indelible , ineffaceable , in perpetuity , irreversible , irrevocable , sempiternal , substantive , unchangeable , unending