permanent
1. [ adjective ] continuing or enduring without marked change in status or condition or place
Synonyms: lasting
Examples:

"permanent secretary to the president" "permanent address" "literature of permanent value"

Related terms: impermanent ageless abiding standing indissoluble stable unchangeable ineradicable permanence
2. [ adjective ] not capable of being reversed or returned to the original condition
Examples:

"permanent brain damage"

Related terms: irreversible
3. [ noun ] (zoology) a series of waves in the hair made by applying heat and chemicals
Synonyms: perm permanent_wave
Related terms: wave perm
Similar spelling:   permanently
  Pearman
  permanency
  permanence
  Perryman
  permeant
  Permian
  Pearmain
  permanganate
  Permenter
  per_annum