clincher

noun

clinch·​er ˈklin-chər 

: one that clinches: such as

a

: a decisive fact, argument, act, or remark

the expense was the clincher that persuaded us to give up the enterprise

b

: a tire with flanged beads fitting into the wheel rim

Synonyms of clincher

• factor
• capper
• crusher
• topper
• ace in the hole
• determinant
• coup de grâce

Examples of clincher in a Sentence

the fact that the resort had tennis courts was the clincher in our deciding to stay there

Recent Examples on the Web

From 2024 to 2025, Nvidia, the fastest grower, added $85 billion in sales, one-fourth the clincher for SpaceX in the final year of Trainer’s timeline. —Shawn Tully, Fortune, 6 June 2026

The Mavericks’ clincher against Fort Wayne came in Game 6 at Cable Dahmer Arena in Independence, where Kansas City beat the Komets 4-3 in overtime. —Jeff Rosen, Kansas City Star, 3 June 2026

Despite no watch party for the Knicks' clincher last week, fans still took to the streets to celebrate. —Ryan Morik, FOXNews.com, 3 June 2026

Williams belted a walk-off moonshot for a 5-4 win, and Canady slammed the door shut for a 2-0 clincher. —Steven Louis Goldstein, New York Times, 3 June 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for clincher

• pincher

Kids Definition

clincher

noun

clinch·​er ˈklin-chər 

: one that clinches

especially : a decisive fact or argument