to be surprisingly beneficial to someone or something; to be very helpful with someone or something. This new medicine works wonders with my headaches. Jean was able to work wonders with the office staff. They improved their efficiency as soon as she took over.
to cause improvements or have a very good effect He's only been here for a couple of months and already he's worked wonders.Drinking lots of water does wonders for the skin.
to improve something a lot (often + for ) Extra water in the diet is generally beneficial to the health and it works wonders for the skin.He's only been in charge at Arsenal for a couple of months and already he's worked wonders.
Succeed, produce a good outcome, as in The new coat of paint works wonders with this bedroom, or The physical therapy has worked wonders with these patients. Literally meaning "perform miracles," this term has been used somewhat more loosely since the 1700s. Also see work like a charm.