#contradict #contradiction

noun: contradiction; plural noun: contradictions
  1. a combination of statements, ideas, or features of a situation that are opposed to one another.
    "the proposed new system suffers from a set of internal contradictions"
    • a person, thing, or situation in which inconsistent elements are present.
      "the paradox of using force to overcome force is a real contradiction"
    • the statement of a position opposite to one already made.
      "the second sentence appears to be in flat contradiction of the first"
      synonyms: denial, refutation, rebuttal, countering
      "a contradiction of his statement"