Definition of "nay-say" [nay-say]

• A refusal, denial, or negation. (noun)
• To speak negatively of something. (verb)
• To reply no. (verb)

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• "All of this is part one of a two-part "straw man" argument that the Repugnicans are hoping will make them look good while they do nothing but nay-say."
• "The Evangelicals, in other words, have built their philosophy on faith and not facts because the facts are fungible and can only nay-say their faith."
• "People nay-say Tucker, his writing, his movie, etc. because they're unable to imagine living life by their own rules, as he does."