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

Jalen Brunson, a mega WWE fan in his own right, scored 45 points in the clincher on his way to becoming the NBA Finals MVP. —Ryan Gaydos, FOXNews.com, 15 June 2026

But nothing compared to the overflowing crowds that congregated after Saturday’s championship clincher. —Kerry Burke, New York Daily News, 14 June 2026

After losing two games against the lowly, 6th place Atlanta Hawks in the first round, the team didn’t lose for another 53 days, winning 15 of 16 games on the way to tonight’s clincher. —Tom Tapp, Deadline, 13 June 2026

But this year’s race could come down to the clincher – and voters’ preferences. —Mark Selig, New York Times, 12 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