ADV. considerably, dramatically, greatly, immeasurably, materially, radically, significantly, substantially, vastly | markedly, noticeably | marginally, slightly | rapidly | steadily
VERB + IMPROVE continue to The weather should continue to improve over the weekend. | strive to, try to trying to improve their working conditions | help to | be designed to
PHRASES aimed at improving sth measures aimed at improving government efficiency | an attempt/effort to improve sth, an incentive to improve sth Workers need to be given an incentive to improve their performance. | much improved We now offer a much improved service to our customers.