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Sustain vs Improve - What's the difference?

sustain | improve |

In transitive terms the difference between sustain and improve

is that sustain is to confirm, prove, or corroborate while improve is to make (something) better; to increase the value or productivity (of something).

As a noun sustain

is a mechanism which can be used to hold a note, as the right pedal on a piano.

sustain

English

Noun

(wikipedia sustain) (en noun)
  • (music) A mechanism which can be used to hold a note, as the right pedal on a piano.
  • Verb

    (en verb)
  • To maintain, or keep in existence.
  • To provide for or nourish.
  • provisions to sustain an army
  • To encourage (something ).
  • To experience or suffer (an injury, etc. ).
  • * Dryden
  • Shall Turnus, then, such endless toil sustain ?
  • * Shakespeare
  • You shall sustain more new disgraces.
  • To confirm, prove, or corroborate.
  • to sustain a charge, an accusation, or a proposition
  • To keep from falling; to bear; to uphold; to support.
  • A foundation sustains''' the superstructure; an animal '''sustains''' a load; a rope '''sustains a weight.
  • To aid, comfort, or relieve; to vindicate.
  • (Shakespeare)
  • * Dryden
  • his sons, who seek the tyrant to sustain

    Derived terms

    * sustainable * sustainedly

    improve

    English

    Alternative forms

    * emprove (obsolete)

    Verb

    (improv)
  • (lb) To make (something) better; to increase the value or productivity (of something).
  • :
  • :
  • *{{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=70, magazine=(The Economist)
  • , title= Engineers of a different kind , passage=Private-equity nabobs bristle at being dubbed mere financiers. Piling debt onto companies’ balance-sheets is only a small part of what leveraged buy-outs are about, they insist. Improving the workings of the businesses they take over is just as core to their calling, if not more so. Much of their pleading is public-relations bluster.}}
  • (lb) To become better.
  • :
  • :
  • *
  • *:“My Continental prominence is improving ,” I commented dryly. ¶ Von Lindowe cut at a furze bush with his silver-mounted rattan. ¶ “Quite so,” he said as dryly, his hand at his mustache. “I may say if your intentions were known your life would not be worth a curse.”
  • (lb) To disprove or make void; to refute.
  • *(William Tyndale) (1494-1536)
  • *:Neither can any of them make so strong a reason which another cannot improve .
  • (lb) To disapprove of; to find fault with; to reprove; to censure.
  • :
  • :(Chapman)
  • *(William Tyndale) (1494-1536)
  • *:When he rehearsed his preachings and his doing unto the high apostles, they could improve nothing.
  • (lb) To use or employ to good purpose; to turn to profitable account.
  • :
  • *(Isaac Barrow) (1630-1677)
  • *:We shall especially honour God by improving diligently the talents which God hath committed to us.
  • *(Joseph Addison) (1672-1719)
  • *:a hint that I do not remember to have seen opened and improved
  • *(William Blackstone) (1723-1780)
  • *:The court seldom fails to improve the opportunity.
  • *(Isaac Watts) (1674-1748)
  • *:How doth the little busy bee / Improve each shining hour.
  • *(George Washington) (1732-1799)
  • *:True policy, as well as good faith, in my opinion, binds us to improve the occasion.
  • Synonyms

    * (to make something better) ameliorate, better, batten, enhance * See also

    Antonyms

    * (to make something worse) deteriorate, worsen * (to become worse) deteriorate, worsen

    Derived terms

    * improvement