improve Definition

improve
verb improved, improving

tr & intr
1. To make or become better or of higher quality or value; to make or cause something to make progress.

Example: must improve his appearance if he wants this job
Example: Her health has improved lately
Thesaurus: upgrade, develop, enhance, reorganize, gentrify, refine, progress, mend, recuperate, ameliorate, recover, rectify, turn over a new leaf, perk up; Antonym: downgrade, decline.
2. To produce something better, or of higher quality or value, than a previous example.

Example: has improved on the world record by one second
Form: improve on something (especially)
3. To increase the value or beauty of (land or property) by cultivation, laying out gardens, building, etc.

Derivative: improvable
adj

Derivative: improver
noun

Derivative: improving

See separate entry.

Etymology: 17c: from French emprower, from en- into + prou profit.