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Related to improvable: unprovable, unimprovable


v. im·proved, im·prov·ing, im·proves
1. To raise to a more desirable or more excellent quality or condition; make better: Exercise can improve your health.
2. To increase the productivity or value of (land or property): improved the house by adding a bathroom.
1. To become better: Economic conditions are improving.
2. To make beneficial additions or changes: You can improve on the translation of that text.

[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).]

im·prov′a·ble adj.
im·prov′a·bly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.improvable - susceptible of improvement
corrigible - capable of being corrected or set right; "a corrigible defect"; "a corrigible prisoner"
References in classic literature ?
That time which we really improve, or which is improvable, is neither past, present, nor future.
The young woman was very improvable, and spoke the languages; and wouldn't have been known for the same country-person.
In our own country, where it has not, until within these later days, been a very popular fashion with governments to display any extraordinary regard for the great mass of the people or to recognise their existence as improvable creatures, private charities, unexampled in the history of the earth, have arisen, to do an incalculable amount of good among the destitute and afflicted.
Perker had had a dinner-party that day, as was testified by the appearance of lights in the drawing-room windows, the sound of an improved grand piano, and an improvable cabinet voice issuing therefrom, and a rather overpowering smell of meat which pervaded the steps and entry.
Improvable ideas often appear together with idea diversity, while it requires more of a cognitive ability to comment or build on someone's ideas.
In the first Vindication, she writes that humans are naturally equal because "there are rights which men inherit at their birth, as rational creatures, who were raised above the brute creation by their improvable faculties.
The League of Kyoto seeks to prevent what looks far more to be a geological and natural circumstance--and to attempt to do so with mechanisms that are unproved, improvable, and unacceptable to significant human actors.
The main advantage we expect the advice taker to have is that its behavior will be improvable merely by making statements to it, telling it about its environment and what is wanted from it.
Though flawed in significant and improvable ways, the stated intent of the No Child Left Behind Act (NCLB) is commendable.
Solitary blood culture rates at the 90th percentile may represent performance under conditions that preclude collecting second specimens, such as the death of patients, and may thus describe performance that is not improvable.
Farloe Twin is the bitch who catches the eye here and Terry Dartnall's charge can make full use of trap six on the back of a couple of decent, but improvable, trials.