contradictory
/ˌkän-trə-ˈdik-t(ə-)rē/
adjective
involving, causing, or constituting a contradiction
contradictory statements
opposite contradictory contrary antithetical mean being so far apart as to be or seem irreconcilable. opposite applies to things in sharp contrast or in conflict. contradictory applies to two things that completely negate each other so that if one is true or valid the other must be untrue or invalid.
noun
a proposition so related to another that if either of the two is true the other is false and if either is false the other must be true
adjective
consisting of two contradictory members or parts