Dichotomous (adjective)

1. Dividing into two mutually exclusive, opposed, or complementary categories.
2. Of or characterized by a division into two parts or classes that are seen as opposed or entirely distinct.

Origin:

Late 17th century: from greek dikhotomia "dividing in two", from dikho- "in two" + tome "a cutting".

Examples:

1. The theory presents a dichotomous view of human nature, dividing people into two distinct categories of good and evil.
2. The dichotomous approach has been criticized for oversimplifying complex issues and ignoring the nuances and subtleties of reality.
3. The dichotomous classification system used by scientists is a useful tool for organizing and categorizing species.
4. The dichotomous nature of the argument made it difficult to find a solution that satisfied both sides.
5. The dichotomous thinking leads to a false dichotomy, implying that the only two options are black or white, when in reality there may be many shades of gray.