inflection point

American  

[in-flek-shuhn point] / ɪnˈflɛk ʃən ˌpɔɪnt /

noun

1. Also called point of inflection.  Also called flex point.  Mathematics. a point on a curve at which the curvature changes from convex to concave or vice versa.

2. a point at which a major or decisive change takes place; critical point.

   We’re at an inflection point where we’ll see the technology move forward at a much faster pace.

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Etymology

Origin of inflection point

First recorded in 1715–25

Example Sentences

It is too soon to say that the biggest war in Europe since World War II has reached an inflection point, many analysts warn.

From The Wall Street Journal • May 19, 2026

The inflection point in markets since the first few weeks of the war in the Middle East was catalyzed by what Barclays strategists call the “AI frenzy.”

From MarketWatch • May 6, 2026

“We are at an inflection point with AI, and the choices companies and regulators make now will shape how this technology impacts everyday people,” he said in a statement.

From Los Angeles Times • May 6, 2026

It was in August 2015, at the first Republican presidential debate, that Kelly hit the first big inflection point on her journey.

From Slate • May 6, 2026

The outlook won’t improve until there’s an “overt inflection point in the broadband business,” Seaport Research Partners analyst David Joyce, who rates the stock Neutral, wrote in a research note last month.

From Barron's • Apr. 22, 2026