Longman Dictionary of Contemporary English - permanent

~1 adj continuing to exist for a long time or for all future time  (a paint that gives woodwork permanent protection against the weather | I need a permanent job. | Natalie seems to have a permanent grin on her face. | permanent fixture (=someone or something that is always there))  (Dan seems to have become a permanent fixture in her life now.)  (- compare temporary) - permanently adv  (The accident left him permanently disabled.) ~2 n AmE a perm1