windup

American  

[wahynd-uhp] / ˈwaɪndˌʌp /

Or wind-up

noun

1. the conclusion of any action, activity, etc.; the end or close.

2. a final act or part.

3. Baseball. the preparatory movements of the arm before pitching a ball.

4. Informal. a mechanical object, as a toy or wristwatch, that is driven by a spring or similar mechanism that must be wound.

5. an act or instance of winding up.

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Etymology

Origin of windup

First recorded in 1565–75; noun use of verb phrase wind up

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Explanation

In baseball, the arm and body movements a pitcher makes just before throwing the ball are collectively called the windup. Sports announcers repeat this phrase throughout baseball games: "Here's the windup...and the pitch!" You can also use windup to mean "conclusion." At the windup of a lengthy meeting, everyone will collect their papers and laptops, and several people will yawn and stretch. The windup of a political campaign might include one last speech and a full-page ad in a newspaper, just before the election. This is the oldest meaning of windup, dating from the 16th century. As an adjective, windup can mean "operated by a mechanism," like a windup toy.

Example Sentences

See Examples For:

windup

They had Peralta ditch his full windup and pitch exclusively out of the stretch.

From The Wall Street Journal ● Oct. 20, 2026

On Wednesday he was an automaton, almost like a windup toy.

From Salon ● Dec. 19, 2025

Early designs included fake vomit and a plastic robot called Mr. Machine, a windup robot that was transparent, allowing children to see how the gears worked.

From The Wall Street Journal ● Nov. 25, 2025

Along the way Kershaw’s unique windup, the right knee pausing as he lifts both hands just above his cap, has become an instantly recognizable silhouette for a generation of Dodger fans.

From Los Angeles Times ● Jul. 3, 2025

“One-and-two to Baker. J. R. Richard rocks into his windup, around comes the arm, the one-two pitch...”

From "A High Five for Glenn Burke" by Phil Bildner

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