contradiction
🇺🇸
/ˌkɑːntrəˈdɪkʃn/
🇬🇧
/ˌkɒntrəˈdɪkʃn/
a situation where two things do not match or agree
There is a contradiction between what he said yesterday and what he says today.
saying that something someone said is wrong or not true
His statement is a clear contradiction of the facts we have.