Hardheaded
Part of speech: adjective
Definition: Stubborn; wilful. Realistic; pragmatic.
Realistic
Part of speech: adjective
Definition: Expressed or represented as being accurate.Relating to the representation of objects, actions or conditions as they actually are or were.
Example sentence: Everything that's realistic has some sort of ugliness in it. Even a flower is ugly when it wilts, a bird when it seeks its prey, the ocean when it becomes violent.