contradictory

Meanings

• two propositions are contradictories if both cannot be true (or both cannot be false) at the same time
• of words or propositions so related that both cannot be true and both cannot be false;
• "`perfect' and `imperfect' are contradictory terms"
• that confounds or contradicts or confuses
• in disagreement; - John Morley
• "contradictory attributes of unjust justice and loving vindictiveness"
• unable to be both true at the same time

Synonyms

• confounding
• at odds
• conflicting
• self-contradictory
• mutually exclusive

contradictory is not valid in Words With Friends