permanent
per-ma-nent
adjective
Lasting or intended to last indefinitely without significant change.
"She found a permanent job."
noun
A chemical treatment applied to hair to make it curly or wavy.
"She got a permanent at the salon."
Thesaurus
Synonyms: standing, eternal, unceasing, imperishable, eonian, ageless, unending, enduring, indissoluble, lasting, aeonian, abiding
Antonyms: impermanent, temporary