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Want of prosperity. [Obs.]

Not prosperous. [Obs.] Dryden. -- Im*pros"per*ous*ly, adv. [Obs.] -- Im*pros"per*ous*ness, n. [Obs.]

The state or quality of being improvable; improvableness.

Capable of being improved; susceptible of improvement; admitting of being made better; capable of cultivation, or of being advanced in good qualities. Man is accommodated with moral principles, improvable by the exercise of his faculties. Sir M. Hale. I have a fine spread of improvable lands. Addison.…

; to refute. [Obs.] Neither can any of them make so strong a reason which another can not improve. Tyndale.

The act of improving; advancement or growth; promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, etc. I look upon your city as the best place of improvement. South. Exercise is the chief source of improvement in all our faculties. Blair.…

One who, or that which, improves.

Unforeseen; unexpected; not provided against; unprepared. [Obs.] All improvided for dread of death. E. Hall.

The quality of being improvident; want of foresight or thrift. The improvidence of my neighbor must not make me inhuman. L'Estrange.

r forethought; not foreseeing or providing for the future; negligent; thoughtless; as, an improvident man. Improvident soldires! had your watch been good, This sudden mischief never could have fallen. Shak.

Improvidently. [R.]

In a improvident manner. "Improvidently rash." Drayton.

Tending to improve, beneficial; growing better. -- Im*prov"ing*ly, adv. Improving lease (Scots Law), an extend lease to induce the tenant to make improvements on the premises.

Unpremeditated; impromptu; extempore. [R.]

act or art of composing and rendering music, poetry, and the like, extemporaneously; as, improvisation on the organ.

Same as Improvisate.

An improviser, or improvvisatore.

See Improvvisatore.

Of or pertaining to improvisation or extemporaneous composition.

See Improvvisatrice.