Definition of improvement - WordReference.com Dictionary

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Adapted From: WordNet 2.0 Copyright 2003 by Princeton University. All rights reserved.

improvement
A	noun
	1	improvement
			the act of improving something; "their improvements increased the value of the property"
		Category Tree: act; human action; human activity ╚action ╚change ╚change of state ╚improvement ╚humanization; humanisation ╚enrichment ╚clearing; clarification ╚self-improvement; self-reformation ╚amelioration; melioration; betterment ╚reform ╚perfection ╚optimization; optimisation ╚correction; rectification ╚cleaning; cleansing; cleanup ╚development ╚tenderization; tenderisation
	2	improvement, betterment, advance
			a change for the better; progress in development
		Category Tree: event ╚happening; occurrence; natural event ╚change; alteration; modification ╚transformation; transmutation; shift ╚improvement, betterment, advance ╚recovery ╚conservation; preservation ╚adjustment; accommodation; fitting ╚refinement; elaboration ╚revival; resurgence; revitalization; revitalisation; revivification
	3	improvement, melioration
			a condition superior to an earlier condition; "the new school represents a great improvement"
		Category Tree: state ╚condition; status ╚improvement, melioration ╚renovation; restoration; refurbishment ╚reformation ╚development ╚betterment