contradictory

adj 1: of words so related that both cannot be true and both cannot

be false; "`perfect' and `imperfect' are contradictory

terms"

2: that confounds or contradicts or confuses [syn: {confounding}]

3: in disagreement; "the figures are at odds with our

findings"; "contradictory attributes of unjust justice and

loving vindictiveness"- John Morley [syn: {at odds(p)}, {conflicting},

{self-contradictory}]

4: unable to be both true at the same time [syn: {mutually

exclusive}]

n : two propositions are contradictories if both cannot be true

(or both cannot be false) at the same time