What does "naysayer" mean?

One who consistently denies, criticizes, or doubts; a detractor.

What is a synonym for "naysayer"?

Common synonyms include: anomaly, bitter-ender, brawler, contrarian, crosspatch, cynic.

Pronounced //ˈneɪˌseɪ.ɚ//.

/ˈneɪˌseɪ.ɚ/ noun

noun ·Uncommon ·Advanced level

Noun

1
One who consistently denies, criticizes, or doubts; a detractor.
"He ignored the naysayers and succeeded with his idea."
2
someone with an aggressively negative attitude wordnet

"He ignored the naysayers and succeeded with his idea."

Origin: 1715–1725, from nay + say + -er, equivalent to naysay + -er. First recorded use: 1721.