ultramarine

1 of 2

noun

ul·​tra·​ma·​rine ˌəl-trə-mə-ˈrēn 

1

: a vivid blue

2

a(1)

: a blue pigment prepared by powdering lapis lazuli

(2)

: a similar pigment prepared from kaolin, soda ash, sulfur, and charcoal

b

: any of several related pigments

ultramarine

2 of 2

adjective

: situated beyond the sea

Examples of ultramarine in a Sentence

Recent Examples on the Web

Noun

In fact, the waters here owe their otherworldly hue–which shifts from bright white to turquoise, cobalt and ultramarine–to a mineral-rich marine plant called Oceanic Posidonia that maintains the quality and oxygenation of the Balearic Sea by filtering the sediments. —Isabelle Kliger, Forbes.com, 16 June 2025

The iPhone 16 available on the site in all five colors: white, pink, black or the two standout colors, teal, which is a gently assertive shade that still manages to be relaxed and pastel, and ultramarine, which is eye-poppingly bright and attractive. —David Phelan, Forbes.com, 18 May 2025

Adjective

Wink’s Blue Man Group is an ultramarine metaphor for our rising AI agents: like his iconic, mischievous blue men, AI generates new beings, new collaborators. —Robert C. Wolcott, Forbes.com, 17 June 2025

Starting at $599 Device Color: iPhone 16: white, black, ultramarine, teal, pink iPhone 16e: white, black Read the full story by Kate Nalepinski on Newsweek. —Amanda Castro, Newsweek, 19 Feb. 2025

Word History

Etymology

Noun

Medieval Latin ultramarinus coming from beyond the sea, from Latin ultra- + mare sea — more at marine

First Known Use

Noun

1598, in the meaning defined at sense 2a(1)

Adjective

1652, in the meaning defined above

Rhymes for ultramarine

• antonine
• aubergine
• celestine
• cytosine
• emetine
• infantine
• johannine
• kerosine
• kundalini
• nepheline
• phenelzine
• proserpine

Kids Definition

ultramarine

noun

ul·​tra·​ma·​rine

ˌəl-trə-mə-ˈrēn

: a vivid blue