inflection point

noun

1

: a moment when significant change occurs or may occur : turning point

At 18, Bobby is at an inflection point that will largely determine the course of his life.

—Stacy Perman

… the gradual move away from big-iron machines toward work stations and personal computers has been going on for years in corporate America—but the inflection point came suddenly.

—Steve Lohr

It depends on us, on the choices we make, particularly at certain inflection points in history; particularly when big changes are happening and everything seems up for grabs.

—Barack Obama

2

mathematics : a point on a curve that separates an arc concave upward from one concave downward and vice versa

Examples of inflection point in a Sentence

Recent Examples on the Web

Still, the additional new studio space comes at a time when there is concern that television and movie production is at an inflection point in the streaming age. —Stephen Battaglio, Los Angeles Times, 15 May 2024

This encounter was a major inflection point in my life. —William Mullane, USA TODAY, 11 May 2024

Word History

First Known Use

circa 1708, in the meaning defined at sense 2