Deconstructionist (noun)

1. An advocate or practitioner of the theory and method of deconstruction.
2. A person who studies or practices the literary theory and philosophy of deconstruction.

Origin:

From deconstruction + -ist.

Examples:

1. The critic was known as a deconstructionist and often wrote about the subtext of literary works.
2. The philosopher was a prominent deconstructionist who wrote extensively on the limitations of language.
3. He was one of the most influential deconstructionist thinkers of the 20th century.
4. The deconstructionist approach to literature emphasizes the instability of meaning.
5. The deconstructionist method is used to analyze and critique the underlying assumptions of a text.