crown jewel

noun

1

crown jewels plural : the jewels (such as the crown and scepter) belonging to a sovereign's regalia

2

: the most attractive or valuable one of a collection or group

Synonyms of crown jewel

• jewel
• treasure
• trophy

Examples of crown jewel in a Sentence

The painting is the crown jewel of the museum's collection.

one of the company's crown jewels

Recent Examples on the Web

In terms of pipelines, Williams continues to focus on expanding its crown jewel Transco network, which runs more than 10,000 miles from southern Texas into the deepwater Gulf of Mexico and all the way up the Atlantic Coast to New York. —Jordan Blum, Fortune, 11 Apr. 2026

At golf’s crown jewel, the menu rarely changes. —Rick Maese, Washington Post, 10 Apr. 2026

Their starting rotation, projected to be one of MLB’s crown jewels this year, has not only allowed more hits and runs than any other American League team’s, but done so over the fourth-lowest innings pitched total. —Gabrielle Starr, Boston Herald, 7 Apr. 2026

Liget Budapest’s crown jewel—so far—is the House of Music, Hungary, which opened in early 2022. —Joshua Levine, Travel + Leisure, 7 Apr. 2026

Word History

First Known Use

1643, in the meaning defined at sense 1

Rhymes for crown jewel

• accrual
• nonfuel
• refuel
• renewal
• biofuel
• contextual
• nonrenewal
• nonsexual
• unusual
• cruel
• dual
• duel