permanent

1. Continuing or enduring without marked change in status or condition or place (synset 301758923)
   "permanent secretary to the president"; "permanent address"; "literature of permanent value"
   also:

   • unchangeable - not changeable or subject to change
   • ineradicable - not able to be destroyed or rooted out
   • stable - resistant to change of position or condition
   tells us about: permanence, permanency - the property of being able to exist for an indefinite duration
   similar to:

   • abiding, enduring, imperishable - lasting a long time
   • aeonian, ageless, eonian, eternal, everlasting, perpetual, unceasing, unending - continuing forever or indefinitely
   • indissoluble - used of decisions and contracts
   • standing - not created for a particular occasion
   same as: lasting
2. Not capable of being reversed or returned to the original condition (synset 301764039)
   "permanent brain damage"
   similar to: irreversible - incapable of being reversed

1. A series of waves in the hair made by applying heat and chemicals (synset 105268016)
   is a type of: wave - a hairdo that creates undulations in the hair
   same as: perm, permanent wave

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