permanent

Something that’s permanent is constant and lasting, as opposed to temporary. Think twice about writing in permanent marker or getting a tattoo — both are just about impossible to erase.

If you wait around for something permanent to change, you'll be there for a long time — maybe forever. That's because the adjective permanent is used to describe something that continues on into the foreseeable future without shifting, moving, or changing at all. You might also come across the noun permanent, which refers to a chemical treatment used to curl your hair. But please know that "perms" aren't really cool anymore.

Definitions of permanent
  1. adjective
    continuing or enduring without marked change in status or condition or place
    permanent secretary to the president”
    permanent address”
    “literature of permanent value”
    synonyms: lasting
    unchangeable
    not changeable or subject to change
    ineradicable
    not able to be destroyed or rooted out
    abiding, enduring, imperishable
    unceasing
    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
    stable
    resistant to change of position or condition
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    Antonyms:
    impermanent, temporary
    not permanent; not lasting
    acting
    serving temporarily especially as a substitute
    ephemeral, fugacious, passing, short-lived, transient, transitory
    lasting a very short time
    episodic
    limited in duration to a single episode
    evanescent
    tending to vanish like vapor
    fly-by-night
    ephemeral
    improvised, jury-rigged, makeshift
    done or made using whatever is available
    interim
    serving during an intermediate interval of time
    pro tem, pro tempore
    for the time being
    shipboard
    casual or ephemeral as if taking place on board a ship
    temporal
    not eternal
    terminable
    capable of being terminated after a designated time
    working
    adopted as a temporary basis for further work
    unstable
    lacking stability or fixity or firmness
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  2. adjective
    not capable of being reversed or returned to the original condition
    permanent brain damage”
    Synonyms:
    irreversible
    incapable of being reversed
  3. noun
    a series of waves in the hair made by applying heat and chemicals
    synonyms: perm, permanent wave
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    type of:
    wave
    a hairdo that creates undulations in the hair
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