contradiction contradiction /ˌkɑːntrəˈdɪkʃən/

noun

1. () Opposition between two conflicting forces or ideas  ( contradiction )
   opposition between two conflicting forces or ideas
   
2. () (logic) a statement that is necessarily false  ( contradiction in terms , contradiction )
   (logic) a statement that is necessarily false
    The statement he is brave and he is not brave' is a contradiction
   the statement he is brave and he is not brave' is a contradiction
   
3. The speech act of contradicting someone  ( contradiction )
   the speech act of contradicting someone
    He spoke as if he thought his claims were immune to contradiction
   he spoke as if he thought his claims were immune to contradiction