Origin: Latin suffix -tion
Contradiction has 4 different meanings across 1 category:
opposition between two conflicting forces or ideas
"The sudden shift from a strict no-smoking policy to allowing cigarettes in the lobby created an obvious contradiction that confused everyone."
(logic) a statement that is necessarily false
"the statement `he is brave and he is not brave' is a contradiction"
the speech act of contradicting someone
"he spoke as if he thought his claims were immune to contradiction"
The act of contradicting.
"His sudden claim that he never lied was a direct contradiction to his earlier confession."