We do not use the + adjective for a single person/thing in English.
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AnonymousThe poor is or are.The ugly is or are.When you use "the" and an adjective without a noun, as you do here, it is always regarded as plural. Use "are" for these.
AnonymousI know this , you know the famous film,(the good,thebad,and the ugly)they are three personsNo. They are individual examples, one each, from the three groups called the good, the bad, and the ugly. The title does not refer to the three persons directly.