Merriam-Webster Online Dictionary
improve (verb)transitive verb
1.
archaic - employ use
2.
a) to enhance in value or quality make better
b) to increase the value of (land or property) by making it more useful for humans (as by cultivation or the erection of buildings)
c) to grade and drain (a road) and apply surfacing material other than pavement
3.
intransitive verb
to use to good purpose
1.
to advance or make progress in what is desirable
2.
to make useful additions or amendments
Merriam-Webster Online Thesaurus
improve (verb)to make better
SYNONIMS:
ameliorate, amend, better, enhance, enrich, help, meliorate, perfect, refine, upgradeRELATED WORDS:
correct, emend, rectify, reform, remediate, remedy; edit, fine-tune, redraft, refurbish, rehab, rehabilitate, revamp, revise, rework; beef (up), boost, fortify, intensify, reinforce ( reenforce), strengthen; fine, hone, polish; retouch, touch upNEAR ANTONYMS:
damage, endamage, harm, hurt, impair, injure, spoil, tarnish, vitiate; blemish, blight, deface, disfigure, flaw, mar; diminish, lessen, lower, reduce