antithetic
1. [ adjective ] sharply contrasted in character or purpose
Synonyms: antithetical
Examples:

"practices entirely antithetical to her professed beliefs" "hope is antithetic to despair"

Related terms: different
Similar spelling:   antithetical
  antitypic
  antitoxic
  antidiuretic
  antidiabetic
  antitypical
  antithesis
  antithyroid
  antitype
  antitank
  antitumor
  antitrust
  antitrade
  antitoxin
  antitauon
  antitumour
  antitrades