Opposites in terms of representing the perfect example:
* Antithesis: The complete opposite or contrast.
* Nadir: The lowest point.
* Worst: The least desirable example.
* Abomination: Something that is utterly detestable.
* Parody: A humorous or mocking imitation.
* Counterpart: A person or thing that is very similar to another.
Opposites in terms of embodying a quality:
* Lackluster: Dull or unimpressive.
* Mediocre: Of average quality.
* Ordinary: Typical or unremarkable.
* Incompetent: Lacking the necessary skills or abilities.
* Inferior: Of lower quality or rank.
Other related words:
* Deviation: A departure from the usual or expected.
* Contradiction: A statement that is the opposite of another.
* Absurdity: Something that is illogical or unreasonable.
The best antonym for "epitome" will depend on the specific context in which it is used.