Unimpressive (adjective)

Not making a strong or striking impression; not impressive.

Origin:

From the word "un" meaning "not" and "impressive" meaning "making a strong or striking impression".

Examples:

1. The performance was unimpressive and failed to impress the critics.
2. His resume was unimpressive, and he didn't get the job.
3. The building was unimpressive and failed to live up to expectations.
4. The game was unimpressive, and the fans left early.
5. The unimpressive sales figures were a disappointment to the company.