a person or thing that represents an advance on another in excellence or achievement: The new landlord is a great improvement over his greedy predecessor.
a bringing into a more valuable or desirable condition, as of land or real property; betterment.
something done or added to real property that increases its value.
profitable use, as of a period of time.
Origin: 1400–50; late Middle English improuement Related forms
< Anglo-French emprouement
something profitable (especially exploitation of land). See improve
3. refinement, betterment, advancement. 4. enhancement, repair.