sapphire

noun

sap·​phire ˈsa-ˌfī(-ə)r 

1

a

: a gem variety of corundum in transparent or translucent crystals of a color other than red

especially : one of a transparent rich blue

b

: a gem of such corundum

2

: a deep purplish-blue color

sapphire adjective

Examples of sapphire in a Sentence

Recent Examples on the Web

The case sides showcase two large sapphire openings that mirror the car’s windows, while the retrograde hour and minute indicators resemble its tachometer and speedometer. —Rachel Cormack, Robb Report, 20 Sep. 2025

At the state banquet on Wednesday night, Queen Camilla wore the Belgian sapphire tiara, a piece from Queen Elizabeth II’s collection that was worn to state dinners during her reign. —Julia Teti, Footwear News, 19 Sep. 2025

The display is covered by sapphire crystal glass, and gets up to 1,500 nits of brightness. —Ben Sin, Forbes.com, 19 Sep. 2025

Keeping with the white-tie dress code for state banquets, Queen Camilla opted for a sapphire and diamond tiara to complete her look for the evening. —Stephanie Petit, PEOPLE, 17 Sep. 2025

Word History

Etymology

Middle English safir, from Anglo-French, from Latin sapphirus, from Greek sappheiros, perhaps of Semitic origin; akin to Hebrew sappīr sapphire

First Known Use

13th century, in the meaning defined at sense 1a

Phrases Containing sapphire

• star sapphire
• water sapphire

Kids Definition

sapphire

noun

sap·​phire ˈsaf-ˌī(ə)r 

1

: a clear bright blue precious stone

2

: a deep purplish blue

sapphire adjective

Etymology

Middle English safir "sapphire," from early French safir (same meaning), from Latin sapphirus "sapphire," from Greek sappheiros (same meaning), perhaps of Semitic origin