The difference between Eternal and Permanent

When used as nouns, eternal means one who lives forever, whereas permanent means a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks.

When used as adjectives, eternal means lasting forever, whereas permanent means without end, eternal.


Permanent is also verb with the meaning: to perm (the hair).

check bellow for the other definitions of Eternal and Permanent

  1. Eternal as an adjective:

    Lasting forever; unending.

  2. Eternal as an adjective (philosophy):

    existing outside time; as opposed to sempiternal, existing within time but everlastingly

  3. Eternal as an adjective (dated):

    Exceedingly great or bad; used as an intensifier.

    Examples:

    "some eternal villain"

  1. Eternal as a noun:

    One who lives forever; an immortal.

  1. Permanent as an adjective:

    Without end, eternal.

    Examples:

    "Nothing in this world is truly permanent."

  2. Permanent as an adjective:

    Lasting for an indefinitely long time.

    Examples:

    "The countries are now locked in a permanent state of conflict."

  1. Permanent as a noun:

    A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.

  2. Permanent as a noun (linear algebra, combinatorics):

    Given an n \times n matrix a_{ij} \,, the sum over all permutations \pi \, of \prod_{i=1}^n{a_{i\pi(i)}}.

  1. Permanent as a verb (transitive, dated):

    To perm (the hair).