capper

[kap-er]

noun

1. a person or thing that caps. cap.

2. Also called topper. something that completes or adds to what has preceded it.

   The capper was that we didn't know each other after all.

3. Slang.,  an informer, especially for gamblers.

4. Slang.,  a by-bidder at an auction.

Word History and Origins

Origin of capper¹

1350–1400 (for sense “cap maker”); 1580–90 capper ( for def. 1 ); Middle English; cap ¹, -er ¹

Example Sentences

The capper came on Monday when Liverpool shelled out around $170 million for Alexander Isak, a 26-year-old from Sweden, signed from Newcastle, another top-five club.

Read more on The Wall Street Journal

“I do wanna say, the folks at CBS have been great partners,” the host declared, expressing gratitude to his staffers and viewers and prompting them to cheer for the next 10 months The Late Show will remain on air—its very last, as a capper to the franchise that David Letterman kicked off in 1993.

Read more on Slate

As a capper, right when Eve starts to drive away, there’s a neat crane move with a motivation I don’t want to spoil.

Read more on Los Angeles Times

Last week served up the capper when we learned that Trump officials are coordinating their actions on Signal, an app with an auto-delete feature, in violation of multiple federal laws requiring communications to be preserved and protected.

Read more on Salon

As a capper, he fired Admiral Linda Fagan from commanding the Coast Guard.

Read more on Salon

Related Words

• apex 
• climax 
• completion 
• pinnacle