The phrase "a substandard one" is correct and usable in written English.
It can be used to describe something that is below the expected quality or standard.
Example: "The report submitted was a substandard one, lacking the necessary research and analysis."
Alternatives: "an inferior one" or "a poor-quality one".
Resource: A "counterfeit" medicine is different from a "falsified" or "substandard" one.
Researchers are encouraged to thoroughly investigate and report on the random number generators they employ, and to avoid the substandard ones that are still widely available.
The Model Law imposes no normative judgment about which medicines are falsified, substandard, unregistered, counterfeit, and so forth, but rather bases that nomenclature on a country's existing rules: for example, a substandard medicine is one that fails to meet the required specifications of the country's medicine regulatory authority.
It was considered necessary to engage with foreign regulatory agencies not only for their guidance and to distinguish the companies' innovative products from substandard ones, but also for accessing global markets, including those of low-income countries.
As already mentioned, because deliberately perpetrating a crime is more deplorable than doing so through negligence, Schedule 1 sets out a penal hierarchy in which offences involving intentionally falsified medicines generally are punished more severely than offences involving negligently substandard ones.
He had originally been disqualified by a substandard score on a mental aptitude test.
After all, students will be the ones who will suffer in the long run with a substandard education.
To criticize the positions of others but not to venture to state a position of one's own was regarded by the Indian debate tradition as a substandard use of argumentation called vitaṇḍā, which literally means making an attack.
"They went on charging too much for what was quite a substandard product," she said.
This leaves bank customers with a substandard service," he said.
