from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To raise to a more desirable or more excellent quality or condition; make better.
- transitive v. To increase the productivity or value of (land or property).
- transitive v. To put to good use; use profitably.
- intransitive v. To become better.
- intransitive v. To make beneficial additions or changes: improve on the translation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to make (something) better; to increase the value or productivity (of something)
- v. to become better
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To disprove or make void; to refute.
- transitive v. To disapprove; to find fault with; to reprove; to censure.
- transitive v. To make better; to increase the value or good qualities of; to ameliorate by care or cultivation.
- transitive v. To use or employ to good purpose; to make productive; to turn to profitable account; to utilize
- transitive v. To advance or increase by use; to augment or add to; -- said with reference to what is bad.
- intransitive v. To grow better; to advance or make progress in what is desirable; to make or show improvement.
- intransitive v. To advance or progress in bad qualities; to grow worse.
- intransitive v. To increase; to be enhanced; to rise in value.
from The Century Dictionary and Cyclopedia
- To make better; ameliorate the condition of; increase in value, excellence, capability, estimation, or the like; bring into a better, higher, more desirable, or more profitable state: as, to improve the mind by study; to improve the breeds of animals; to improve land by careful tillage.
- To turn to advantage or account; use profitably; make use of: as, to improve an opportunity; to improve the occasion.
- To increase in force or amount; intensify in any respect.
- To grow better in any way; become more excellent or more favorable; advance in goodness, knowledge, wisdom, amount, value, etc.: as, his health is improving; the price of cotton improves daily.
- To increase; grow.
- To approve; prove; test.
- To disapprove; censure; blame.
- To disprove; prove false; refute.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. get better
- v. to make better
Middle English improwen, to enclose land for cultivation, from Anglo-Norman emprouwer, to turn to profit : Old French en-, causative pref. (from Latin in-; see in-2) + Old French prou, profit (from Late Latin prōde, advantageous; see proud).(American Heritage® Dictionary of the English Language, Fourth Edition)