\ ˈtrü-ˈblü How to pronounce true-blue (audio) \

Definition of true-blue

 (Entry 1 of 2)

1 : marked by unswerving loyalty (as to a party)
2 : genuine a true-blue romantic

true blue


Definition of true blue (Entry 2 of 2)

: a person who is true-blue

Keep scrolling for more

Examples of true-blue in a Sentence

Recent Examples on the Web: Noun In the upcoming week a loved one will also prove to be true blue. Tribune Content Agency,, "Horoscope for Aug. 25, 2019: Happy birthday Blake Lively; Taurus, be open to unexpected invitations," 25 Aug. 2019 Significant others can’t compete with the overwhelming love of a true blue BFF. Kelli Bender,, "Survey Finds Over Half of Dog Owners Kiss Their Pooches More Than Their Partners," 5 July 2019 In his 2018 release, Dhadak, Ishaan Khatter—a true blue Hindi film hero devoid of grey shades explicit in Kabir Singh—slaps his love interest Janhavi Kapoor. Ananya Bhattacharya, Quartz India, "Dear woke India, where were you before Kabir Singh?," 28 June 2019 On locations: The Hotline has heaved a chunk of responsibility for the Pac-12’s football downturn on USC, the one true blue blood in the conference that has underperformed in high- and low-profile games alike. Jon Wilner, The Mercury News, "NBA Draft preview: Pac-12 totals project to historical standard, but the path avoids Tucson and Westwood," 20 June 2019 But despite a rackety childhood living in exile—first in France, then England, Germany, and at boarding school in Scotland—the Duke of Edinburgh’s blood ran true blue. Juliet Rieden, Town & Country, "At 98, Prince Philip Is the Last of the Old-School Royals," 10 June 2019 Her pictures trace the companionship of a boy and his puppy through the years—and through variants of a single color—to the true blue period, when the boy is a young man and the dog has reached the end of his life. Meghan Cox Gurdon, WSJ, "Children’s Books: Best of 2018," 7 Dec. 2018 Her shade picks: St. Tropez Sunset, a shiny pinky coral and Iconic Red, a matte true blue-red. Meg Hemphill, The Hollywood Reporter, "Karl Lagerfeld + ModelCo Makeup Drops Today," 14 May 2018 Tonight's full moon won't be blue, but there have been true blue moons in the past, according to NASA. Leigh Morgan,, "Blue moon 2018: Second -- and last -- blue moon of year rises tonight," 1 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'true-blue.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of true-blue


circa 1636, in the meaning defined at sense 1


1647, in the meaning defined above

History and Etymology for true-blue


from the association of blue with constancy

Keep scrolling for more

Learn More about true-blue

Time Traveler for true-blue

Time Traveler

The first known use of true-blue was circa 1636

See more words from the same year

Statistics for true-blue

Cite this Entry

“True-blue.” The Dictionary, Merriam-Webster Inc., Accessed 22 November 2019.

Keep scrolling for more

More Definitions for true-blue


How to pronounce true blue (audio)

English Language Learners Definition of true-blue

US : completely faithful and loyal to a person or an idea
British, informal : loyal to the ideas of the British Conservative party


\ ˈtrü-ˈblü\

Kids Definition of true-blue

: very faithful

Keep scrolling for more

More from Merriam-Webster on true-blue

Thesaurus: All synonyms and antonyms for true-blue

Spanish Central: Translation of true-blue

Nglish: Translation of true-blue for Spanish Speakers

Comments on true-blue

What made you want to look up true-blue? Please tell us where you read or heard it (including the quote, if possible).


not agreeing with established beliefs

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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