self-improvement noun2 •The following of a disciplined programme to improve one's physical health, mental health or character.He believes that self-improvement and its growing popularity are symptoms of what he calls individualism. — 2019 •The bettering of one's status.In the year 1851 a small group of workmen in the Locomotive Department of the old Midland Railway Company at Derby met for self-improvement, and formed what was then known as a "reading society". — 1944 formsself-improvements
