"improving" in the verb sense
1. better, improve, amend, ameliorate, meliorate
to make better
"The editor improved the manuscript with his changes"
2. better, improve, ameliorate, meliorate
get better
"The weather improved toward evening"
"improving" in the adjective sense
1. improving, up
getting higher or more vigorous
"its an up market"
"an improving economy"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License