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Prolonged vs Sustained - What's the difference?

prolonged | sustained |

As adjectives the difference between prolonged and sustained

is that prolonged is lengthy in duration; extended; protracted while sustained is held continuously at a certain level.

As verbs the difference between prolonged and sustained

is that prolonged is past tense of prolong while sustained is past tense of sustain.

prolonged

English

Adjective

(en adjective)
  • lengthy in duration; extended; protracted.

    • Antonyms

    * brief

    Verb

    (head)
  • (prolong)

    • 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