Unimpressed (adjective)

Not impressed; not showing admiration or approval.

Origin:

The word "unimpressed" is derived from the prefix "un-" meaning "not" or "reverse of" and "impressed" which means affected with admiration or approval.

Examples:

1. He was unimpressed by the movie's special effects.
2. She was unimpressed by his attempts to impress her.
3. The audience was unimpressed by the singer's performance.
4. The critics were unimpressed by the new play.
5. I was unimpressed by his explanation of the project.