Answer:
Antithetical: something that represents opposition between two opposite or complementary terms.
Step-by-step explanation:
The root -anti represents opposite. The origin of this word is Greek and means contrary.
Something antithetical means that it contains or uses antithesis. Let's see what this is about.
The antithesis represents two opposite or contrary terms. This term is typical of rhetoric and philosophy. It usually starts with expressions like "but", "however" or "on the contrary", which expose contrariety or difference.