capper

noun

cap·​per ˈka-pər 

1

: one that caps: such as

a

: a device that fits caps on bottles

b

: finale, climax, clincher

2

: a lure or decoy especially in an illicit or questionable activity : shill

Synonyms of capper

• ending
• conclusion
• finale
• end
• culmination
• closing

Examples of capper in a Sentence

the capper to the campaign rally was an appearance by the candidate himself

she was smart, she was pretty, but here's the capper—she was kind, unlike the other girls

Recent Examples on the Web

DaCosta’s installment offers a number of major developments that Boyle’s trilogy capper will resolve at some point in the near future. —Brian Davids, HollywoodReporter, 20 Jan. 2026

Even the prospect of another low-scoring Niners-Seahawks slugfest shouldn’t detract greatly from that NFC West rivalry, while the Rams-Bears capper has the potential to set the ratings dials on fire. —Anthony Crupi, Sportico.com, 16 Jan. 2026

The capper is seeing James Marsden strip off his Cyclops goggles to emit a furious blaze of crimson-orange light. —Jeff Spry, Space.com, 15 Jan. 2026

Steve Sanders was probably in more danger fighting mid-20s malaise in the Beverly Hills, 90210 finale than Steve Harrington was fighting Vecna in the Stranger Things capper. —Josh Glicksman, Billboard, 13 Jan. 2026

Word History

First Known Use

1587, in the meaning defined at sense 1

Rhymes for capper

• clapper
• dapper
• flapper
• kapur
• mapper
• napper
• rapper
• sapper
• snapper
• tapper
• trapper
• wrapper