You searched for: “substandard
substandard (adjective); more substandard, most substandard
1. Concerning merchandise of inferior quality: The chair Mr. Smith bought for his living room was evidently made of substandard pieces of wood because soon after buying it, it fell apart and he had to repair it!
2. Referring to something which is second-rate; below a prescribed criterion: The Jackson family had to live in a substandard housing complex because they just didn't have the money to afford a better appartment.