improve
verb
uk/ɪmˈpruːv/ us [ I ]
to get better:
gradually/greatly/vastly improve Conditions for foreign investors are also gradually improving.
improve considerably/dramatically/significantly
[ T ]
to make something better:
We're working hard to improve the situation.
to improve performance/profitability/service
improve efficiency/quality/productivity
if prices, shares, sales, etc. improve a particular amount, they increase by that amount:
Total new business improved by almost a quarter in the three months to September 30.
The shares improved 20p to 730p.
begin/continue to improve Total exports continued to improve and increased by 10.3% in November.
Phrasal verb
improve on/upon sth