- 1[uncountable] the act of replacing one thing with another, especially something that is newer or better the replacement of worn car parts replacement windows
- 2[countable] a thing that replaces something, especially because the first thing is old, broken, etc. a hip replacement If your passport is stolen you should apply for a replacement immediately.
- 3[countable] replacement (for somebody) a person who replaces another person in an organization, especially in their job We need to find a replacement for Sue.
Check pronunciation: replacement