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defeater

  • a word derived from defeat.
    defeat
    verb (used with object)
    to overcome in a contest, election, battle, etc.; prevail over; vanquish.

Example Sentences

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And as previously discussed, determining whether a defeater for knowledge exists requires knowing what could undermine justification.

From Textbooks ● Jun. 15, 2022

That the area is predominantly filled with barn facades is what is known as a defeater because it serves to defeat the justification for his belief.

From Textbooks ● Jun. 15, 2022

I’m more likely to focus on my poor vision as a defeater.

From Textbooks ● Jun. 15, 2022

Vicarious plans to keep the technology behind its Captcha defeater secret for now.

From BusinessWeek ● Oct. 28, 2013

“It’s just odd that a man who is a master fencer, a defeater of giants, an expert in the use of iocane powder, would not know what this ravine opens into.”

From "The Princess Bride" by William Goldman