See more synonyms for improve on
verb (used with object), im·proved, im·prov·ing.
  1. to bring into a more desirable or excellent condition: He took vitamins to improve his health.
  2. to make (land) more useful, profitable, or valuable by enclosure, cultivation, etc.
  3. to increase the value of (real property) by betterments, as the construction of buildings and sewers.
  4. to make good use of; turn to account: He improved the stopover by seeing a client with offices there.
verb (used without object), im·proved, im·prov·ing.
  1. to increase in value, excellence, etc.; become better: The military situation is improving.
  2. to make improvements, as by revision, addition, or change: None of the younger violinists have been able to improve on his interpretation of that work.

Origin of improve

1425–75; late Middle English improuen, emprouen < Anglo-French emprouer to turn (something) into profit, derivative of phrase en prou into profit, equivalent to en (see en-1) + prou, Old French prou, preu < Late Latin prōde (est), by reanalysis of Latin prōdest (it) is beneficial, of use, with prōde taken as a neuter noun (cf. proud); v by association with prove, approve
Related formsim·prov·a·ble, adjectiveim·prov·a·bil·i·ty, im·prov·a·ble·ness, nounim·prov·a·bly, adverbim·prov·ing·ly, adverbpre·im·prove, verb (used with object), pre·im·proved, pre·im·prov·ing.qua·si-im·proved, adjectivesu·per·im·proved, adjectivewell-im·proved, adjective

Synonyms for improve

See more synonyms for on
1. amend, emend. Improve, ameliorate, better imply bringing to a more desirable state. Improve usually implies remedying a lack or a felt need: to improve a process, oneself ( as by gaining more knowledge ). Ameliorate, a formal word, implies improving oppressive, unjust, or difficult conditions: to ameliorate working conditions. To better is to improve conditions which, though not bad, are unsatisfying: to better an attempt, oneself ( gain a higher salary ).

Antonyms for improve

1, 5. worsen. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for improve

Contemporary Examples of improve

Historical Examples of improve

  • So long as we feel unable to improve on this organisation we shall have these inequalities.

  • It commands us to assist our neighbor to improve and protect his own.

  • When things were so very good as they were at that time, why try to improve them?

    Her Father's Daughter

    Gene Stratton-Porter

  • I daresay it isn't as good as I thought it was, but I'll improve.

    The Foolish Lovers

    St. John G. Ervine

  • My reading in the bible, now, was not for the stories, but seriously to improve my mind and morals.

    Ned Myers

    James Fenimore Cooper

British Dictionary definitions for improve


  1. to make or become better in quality; ameliorate
  2. (tr) to make (buildings, land, etc) more valuable by additions or betterment
  3. (intr; usually foll by on or upon) to achieve a better standard or quality in comparison (with)to improve on last year's crop
  1. on the improve Australian informal improving
Derived Formsimprovable, adjectiveimprovability or improvableness, nounimprovably, adverbimprover, nounimprovingly, adverb

Word Origin for improve

C16: from Anglo-French emprouer to turn to profit, from en prou into profit, from prou profit, from Late Latin prōde beneficial, from Latin prōdesse to be advantageous, from pro- 1 + esse to be
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for improve

late 15c., "to use to one's profit, to increase (income)," from Anglo-French emprouwer "to turn to profit" (late 13c.), from Old French en-, causative prefix, + prou "profit," from Latin prode "advantageous" (see proud). Spelling with -v- was rare before 17c. Meaning "to raise to a better quality or condition" first recorded 1610s. Phrase improve the occasion retains the etymological sense. Meaning "to turn land to profit" (by clearing it, erecting buildings, etc.) was in Anglo-French (13c.) and was retained in the American colonies.

Online Etymology Dictionary, © 2010 Douglas Harper