/ ˌkɒntrəˈdɪktəri; NAmE ˌkɑːn-/ adjective
containing or showing a contradiction
SYN conflicting :
We are faced with two apparently contradictory statements.
The advice I received was often contradictory.
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WORD ORIGIN
late Middle English (as a term in logic): from late Latin contradictorius , from Latin contradict- spoken against, from the verb contradicere , originally contra dicere speak against.