significant improvement — clear improvement
collocationB2IELTS 5.5+neutralcommon
A noticeable and important positive change in something, making it much better than before.
Say it like a native
Textbook There was a considerable amelioration in her results.
Native There was a significant improvement in her results.
'Significant improvement' is the natural collocation; 'amelioration' is bookish.
Pattern: significant improvement (in something)
In use
- There has been a significant improvement in her English since she started practicing every day.daily life
- In my opinion, the city has seen significant improvement in public transport, making it easier for people to commute.IELTS speaking
Common mistake
✗ There was a significant improve in sales.
✓ There was a significant improvement in sales.
Use the noun 'improvement', not the verb 'improve', after 'significant'.
Common collocations
significant improvement + in— in performance, in quality, over last year, in health
Don't confuse it
‘Slight improvement’ means only a small change, while ‘significant improvement’ means a big, important change.