Unimproved (adjective)

Not made better or made progress.

Origin:

The word unimproved is formed from the prefix "un" meaning not and the root word "improved" meaning made better or made progress.

Examples:

1. The property remained unimproved for years, despite the owner's promises.
2. The school's test scores remained unimproved despite the new teaching methods.
3. The athlete's performance remained unimproved despite the intense training.
4. The company's profits remained unimproved despite the new marketing strategy.
5. The patient's condition remained unimproved despite the treatment.