Meaning of IMPROVEMENT in English

IMPROVEMENT

im ‧ prove ‧ ment S3 W2 /ɪmˈpruːvmənt/ BrE AmE noun

[ Word Family: verb : ↑ improve ; noun : ↑ improvement ; adjective : ↑ improved ]

1 . [uncountable and countable] the act of improving something, or the state of being improved

improvement in/on/to

There’s been a big improvement in the children’s behaviour.

an improvement on earlier models

We need to carry out some improvements to the system.

Our results have shown some improvement this month.

2 . [countable] a change or addition that improves something:

Are you making some improvements to your home?

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COLLOCATIONS (for Meanings 1 & 2)

■ verbs

▪ be an improvement (on something)

This version of the software is a clear improvement on its predecessor.

▪ see/notice an improvement

After taking the tablets, he noticed some improvement in his energy levels.

▪ show an improvement

The sales figures show a major improvement.

▪ represent an improvement (=be an improvement)

A pre-tax profit of 4.3 million pounds represents a 5% improvement on last year.

■ adjectives

▪ a big improvement

The situation today is a big improvement on the 1980s.

▪ a great/vast/major improvement (=very big)

The new computer system was a vast improvement.

▪ a dramatic improvement (=very big and quick)

With the new treatment we saw a dramatic improvement in his condition.

▪ a significant/substantial/considerable improvement (=quite big)

There has been a considerable improvement in trading conditions.

▪ a marked/noticeable improvement (=that people can notice)

Joanna's work showed a marked improvement.

▪ a slight improvement

Sales figures have shown a slight improvement this month.

▪ a gradual improvement

There has been a gradual improvement in educational standards.

▪ a general improvement

There has been a general improvement in the standard of living.

▪ a continuous/steady improvement (=happening slowly and gradually)

The following two seasons saw a steady improvement in the team's performance.

▪ further improvement (=more improvement)

We feel there is room for further improvement.

■ phrases

▪ signs of improvement

The patient is showing signs of improvement.

▪ room for improvement (=the possibility that something could be done better)

There's room for improvement in the way the tickets are sold.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.