subradical
/ˌsʌbˈrædɪkəl/Definitions
1. adjective
extending below the normal or expected level; substandard.
“The subradical conditions in the city’s underprivileged areas led to concerns about public health.”
2. noun
a substandard or inferior quality.
“The company’s subradical products failed to gain market share due to poor customer reviews.”