Word of the Day - Contradiction

con·tra·dic·tion
[kon-truh-dik-shuhn]

noun
1. the act of contradicting;  gainsaying or opposition.

2. assertion of the contrary or opposite; denial.

3.
a statement or proposition that contradicts  or denies another or itself and is logically incongruous.

4.
direct opposition between things compared; inconsistency.

5.
a contradictory act, fact, etc.