Of the second ‘rate’ (said of ships). Hence, Of the second class in point of quality or excellence; usually in vaguer (depreciative) sense. Not…

Of the third class in point of quality; usually depreciative, below ‘second-rate’; of decidedly poor or inferior quality. Also absol.

Of persons: Second-rate. rare.

Of poor or inferior quality; bad, unsatisfactory, second-rate.

Of low or inferior quality.

Of a product or service: having no recognizable brand name. Also in extended use: of poor quality; second-rate, inferior; (also) odd, unusual.

Of the type or quality found in a pound shop; cut-price; (derogatory) cheap or inferior, second-rate.