existing perpetually; everlasting, especially 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.
noun
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.
Origin of permanent
1400–50;late Middle English < Latinpermanent- (stem of permanēns), present participle of permanēre to remain. See per-, remain, -ent
early 15c., from Middle French permanent (14c.) or directly from Latin permanentem (nominative permanens) "remaining," present participle of permanere "endure, hold out, continue, stay to the end," from per- "through" (see per) + manere "stay" (see mansion). As a noun meaning "permanent wave," by 1909. Of clothing, permanent press attested from 1964.