antithetic

/ˌæn.tɪˈθɛt.ɪk/
adjective
  1. Directly opposed or contrasted; opposite in nature or character.
    • The two political parties hold antithetic views on taxation.
    • In the story, the hero and villain are antithetic figures.
    • Her calm demeanor was antithetic to the chaos around her.
Antonyms
What does "antithetic" mean? | whatsthatwordmean | whatsthatwordmean