antithetical

/ˌæn.tɪˈθɛt.ɪ.kəl/
adjective
  1. Directly opposed or contrasted; opposite in nature, character, or meaning.
    • Her quiet lifestyle is antithetical to the loud, fast-paced city life.
    • The two approaches to solving the problem are antithetical to each other.
    • His belief in freedom is antithetical to the idea of dictatorship.
Antonyms
What does "antithetical" mean? | whatsthatwordmean | whatsthatwordmean