poor quality
Examples
Our rockets can find Halley's comet, and fly to Venus with amazing accuracy, but side by side with these scientific and technical triumphs is an obvious lack of efficiency in using scientific achievements for economic needs, and many Soviet household appliances are of poor quality.
Being too consumed in fear all the time will result in poor quality of life.
Without greater support for childcare, parents of young children may be forced to choose cheaper, poor quality care for their children or fail to provide it entirely.
Scientific writing is abhorrently stylized and places a premium on poor quality.
The American media produce a product of very poor quality. Its information is not reliable, it has too much chrome and glitz, its doors rattle, it breaks down almost immediately, and it's sold without warranty. It's flashy, but it's basically junk.
The food industry profits from providing poor quality foods with poor nutritional value that people eat a lot of.