of bad quality – Cambridge English Thesaurus article page
These words describe things that are of low quality, or not acceptable.
The most commonly used word is bad.
The food wasn’t as bad as I’d expected.
The opposite of bad is good.
The pub has good food.
For more opposites of bad, see the article at good.
Poor means below the expected standard. In UK English, poor can be used after a verb to describe service or food that is not good.
Their efforts produced extremely poor results.
Attendance at the rally was poor.
UK
The food was poor and the beer was warm.
You can also say that something is low, poor, or bad quality.
Their sausages are made with low-quality meat.
Poor quality drinking water can be linked to many health problems.
It’s a bit like having bad-quality film in a camera.
Something that is mediocre is not very good, but not of the worst standard or quality. Mediocre is a disapproving word.
The striker has been dropped after a mediocre performance.
An inferior product, result, etc. is not as good as it should be, or not as good as something else.
The copies are of inferior quality.
Cheap is a disapproving word that can be used to describe goods that are both bad in quality and low in price. In UK English, something that is cheap and nasty is very bad.
The whole place reeked of cheap perfume.
UK
The supermarkets have been flooded with cheap and nasty wine.
