simple past tense and past participle of improv

plural of improval

The following of a disciplined programme to improve one's physical health, mental health or character. / The bettering of one's status.

(game theory, economics) A change in the allocation of a resource to a set of individuals that is an improvement for at least one and no worse for any other.

plural of Pareto improvement

plural of Pareto-improvement

Alternative spelling of Pareto improvement

plural of self-improvement

The act of making changes to one's home in order to make it prettier, larger, more efficient, or generally better

simple past tense and past participle of require improvement