4. Increase; growth; progress; advance. There is a design of publishing the history of architecture, with its several improvements and decays. Addison. Those vices which more particularly receive improvement by prosperity. South.

5. pl.

Defn: Valuable additions or betterments, as buildings, clearings, drains, fences, etc., on premises.

6. (Patent Laws)

Defn: A useful addition to, or modification of, a machine, manufacture, or composition. Kent.

IMPROVER
Im*prov"er, n.

Defn: One who, or that which, improves.

IMPROVIDED
Im`pro*vid"ed, a.

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

IMPROVIDENCE
Im*prov"i*dence, n. Etym: [L. improvidentia; OF. improvidence. Cf.
Imprudence.]