(transitive) To make (something) better; to increase the value or productivity (of something). / (intransitive) To become better. / (obsolete) To disprove or make void; to refute.

The act of improving; advancement or growth; a bettering

plural of improvement

That has been made better; enhanced.

simple past tense and past participle of improve

Third-person singular simple present indicative form of improve

Something that, or someone who, improves something. / (obsolete) Specifically, a person who improves land or property, a landscaper.

plural of improver

To fix, make better or increase the quality of (something) in comparison to previous attempts; to contribute to an ongoing effort to improve (something).

Alternative spelling of improvable (“able to be improved”)