- 1a small mistake, especially one that is caused by forgetting something or by being careless a lapse of concentration/memory A momentary lapse in the final set cost her the match.
- 2a period of time between two things that happen synonym interval After a lapse of six months we met again. He wrote to us after a considerable lapse of time.
- 3an example or period of bad behavior from someone who normally behaves well
Check pronunciation: lapse