substandard

About 0.77 uses per million words.

Meaning

1. adjective Not meeting the minimum quality requirements.

   They built this with substandard parts. No wonder it collapsed.

2. adjective Not conforming to the standard variety; nonstandard.

Similar words

inferior deficient irregular nonstandard undersized low-level low-grade poor mediocre flawed

Often followed by

housing margins and wages conditions performance care or units