English Antonyms Practice Test 9

Confirms : establish the truth or correctness of (something previously believed or suspected to be the case).
Verifies : make sure or demonstrate that (something) is true, accurate, or justified.
Contradicts : deny the truth of (a statement) by asserting the opposite.
Opposes : disagree with and attempt to prevent, especially by argument.
Strengthens : make or become stronger.

Antonym of Confirms is Contradicts