Unremarkable (adjective)

1. Not worthy of attention or remark.
2. Not noticeable or memorable.
3. Not striking or exceptional.
4. Ordinary, average, or typical.

Origin:

Mid 19th century: from un- (expressing negation) + remarkable, on the pattern of remarkable.

Examples:

1. The movie was unremarkable and received poor reviews.
2. The unremarkable buildings blended in with the surrounding neighborhood.
3. The unremarkable performance was forgotten by the audience.
4. The unremarkable details of the story were easily overlooked.
5. The unremarkable life of the former president was marked by obscurity and mediocrity.