Undistinguished (adjective)

Lacking distinction or noteworthy qualities.

Origin:

Late 16th century: from un- (expressing negation) + distinguished, from latin distinctus "separate, distinguished".

Examples:

1. The building was an undistinguished structure with no unique features.
2. His writing was undistinguished and lacked originality.
3. The performance was undistinguished and failed to impress the audience.
4. The film was an undistinguished production with a predictable plot.
5. His career was marked by several undistinguished years with no notable accomplishments.