french blue

noun, often capitalized F

Definition of french blue

1 : a strong purplish blue that is the color of ultramarine prepared artificially

called also artificial ultramarine, French ultramarine, Gmelin's blue, Guimet's blue, lime blue, new blue, permanent blue

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Buying Guide

Play with color with paint by number kits for adults selected by our Reviews team.

Learn More About french blue

Dictionary Entries Near french blue

French berry

french blue

French boston

See More Nearby Entries 

Statistics for french blue

Cite this Entry

“French blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/french%20blue. Accessed 19 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!