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Permanent vs Sustained - What's the difference?

permanent | sustained |

As adjectives the difference between permanent and sustained

is that permanent is without end, eternal while sustained is held continuously at a certain level.

As verbs the difference between permanent and sustained

is that permanent is to perm (the hair) while sustained is past tense of sustain.

As a noun permanent

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

permanent

English

Adjective

(en adjective)
  • Without end, eternal.
    • Nothing in this world is truly permanent .
  • Lasting for an indefinitely long time.
    • The countries are now locked in a permanent state of conflict.

    Antonyms

    * impermanent, temporary

    Derived terms

    * permanently * permanent marker * permanent wave * permanent way

    Related terms

    * permafrost * permatemp

    Noun

    (wikipedia permanent) (en noun)
  • A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
  • * 1943 , (Raymond Chandler), The High Window , Penguin 2005, p. 8:
    • She had pewter-coloured hair set in a ruthless permanent , a hard beak and large moist eyes with the sympathetic expression of wet stones.
  • (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)}}.

    • See also

    * determinant * ephemeral * relaxer * temporary

    Verb

    (en verb)
  • (dated) To perm (the hair).

    • External links

    * * * ----

    sustained

    English

    Verb

    (head)
  • (sustain)

    • Adjective

    (en adjective)
  • Held continuously at a certain level.
  • * {{quote-magazine, year=2013, month=May-June, author= Charles T. Ambrose
    • , title= Alzheimer’s Disease , volume=101, issue=3, page=200, magazine=(American Scientist) , passage=Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems—surgical foam, a thermal gel depot, a microcapsule or biodegradable polymer beads.}}
  • (music) Held at a certain pitch.

    • Synonyms

    * (held at a certain level) constant, continuous, steady