1. Getting higher or more vigorous
   "an improving economy"
   - up

1. To make better
   "The editor improved the manuscript with his changes"
   - better, amend, ameliorate, meliorate 
2. Get better
   "The weather improved toward evening"
   - better, ameliorate, meliorate

See also: improvement, improver, rising

Type of: alter, change, change state, modify, turn

Encyclopedia: Improve

• lay figure
• lay hands on
• lay in
• lay into
• lay on the line
• lay reader
• lay to rest
• lay waste
• lay waste to
• lay witness
• layabout
• layby
• layer
• layer cake
• layered
• layette
• Layia
• Layia platyglossa
• laying
• laying claim
• laying on
• laying on of hands
• laying waste
• layman
• layoff