Select the most appropriate ANTONYM of the underlined word.

The claims made by the scientists at the International Science Fair turned out to be spurious.

Authentic

The most appropriate antonym of the underlined word spurious in the given sentence is authentic.

• Spurious means "not genuine or authentic; false."
• Authentic means "of undisputed origin; genuine."

The other words do not have the same meaning as spurious, so they are not its antonyms.

• Factitious means "artificial or contrived."
• Predictable means "likely to happen or be done."
• Meritorious means "worthy of reward or recognition."