adj.
1.of words or propositions so related that both cannot be true and both cannot be false
2.that confounds or contradicts or confuses
3.in disagreement
4.unable to be both true at the same time contradictory n.
1.two propositions are contradictories if both cannot be true (or both cannot be false) at the same time
Idiom of the Day
bank on (someone or something)
to be sure of someone or something, to count on someone or something
You can bank on my sister to help you.