"contradictory" in the noun sense
1. contradictory
two propositions are contradictories if both cannot be true (or both cannot be false) at the same time
"contradictory" in the adjective sense
1. contradictory
of words or propositions so related that both cannot be true and both cannot be false
"`perfect' and `imperfect' are contradictory terms"
2. confounding, contradictory
that confounds or contradicts or confuses
3. at odds, conflicting, contradictory, self-contradictory
in disagreement
"the figures are at odds with our findings"
"contradictory attributes of unjust justice and loving vindictiveness"- John Morley
4. contradictory, mutually exclusive
unable for both to exist or be true at the same time
Source: WordNet® (An amazing lexical database of English)
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