slider

American  

[slahy-der] / ˈslaɪ dər /

noun

1. a person or thing that slides.

2. Baseball. a pitch similar to a curveball but one in which the ball rolls or slides, rather than spins, out of the pitcher’s hand and, like a curveball, drops and veers as it approaches home plate, sharply but with less of a curve.

   Johnson’s unhittable slider made him one of the best pitchers in the history of the game.

3. any of several freshwater turtles of the genus Chrysemys, of North America, having a smooth shell usually olive brown with various markings above and yellow below: some, especially C. scripta, are raised commercially and the young sold as pets, rarely surviving to adulthood.

4. a small burger on a bun.

   beef and lamb sliders.

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Etymology

Origin of slider

First recorded in 1520–30; 1930–35 slider for def. 2; slide + -er ¹

Example Sentences

Some users complained that it made the screen hard to read, and the company added a slider that will allow people to adjust its appearance.

From The Wall Street Journal • Jun. 8, 2026

“He’s a slider guy. I got a good pitch to hit, put a good swing on it and it found a way out of here.”

From Los Angeles Times • Jun. 5, 2026

He has added a cutter to the mix, to pair with his curveball and slider.

From The Wall Street Journal • Jun. 5, 2026

“The fastball was good, slider was good, used the curveball, minimized hits.”

From Los Angeles Times • Jun. 2, 2026

“Thanks,” he said, fiddling with the boot slider on his bolo tie and looking at the ground nervously.

From "Summer of the Mariposas" by Guadalupe García McCall